Mi 11 Pro / Ultra China is a xiaomi device (codename: star). FirmwareMirror hosts 240 verified firmware builds, covering: Global. Available as Fastboot & Recovery ROM formats, compatible with Android 14.0, 13.0, 12.0. Last updated: January 2026. All files MD5-verified. Free, no registration.
Find and download official MIUI ROM for Mi 11 Pro / Ultra China (star). All firmware files include MD5 hash verification and are available for direct download.
| Version | Method | Size | Release Date | MD5 Hash | Download |
|---|---|---|---|---|---|
| V14.0.11.0.TKACNXM | Fastboot | 5.28 GB | 2023-09-23 |
cdad1fda37281be2f6e4b969158fb13c
|
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| V13.0.13.0.SKACNXM | Fastboot | 4.39 GB | 2022-08-04 |
55b7e41faf741e0d6ca25b333ab1839f
|
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| V13.0.12.0.SKACNXM | Fastboot | 4.36 GB | 2022-05-10 |
3d5b1d0e783b2d92beac0bf19178ef10
|
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| V13.0.9.0.SKACNXM | Fastboot | 4.27 GB | 2022-01-21 |
a9593ed07eaa25581adf2674662a6fc4
|
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| V13.0.5.0.SKACNXM | Fastboot | 4.36 GB | 2022-01-05 |
d780dd325cc93c57aa622a3f2e4a8dad
|
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| V12.5.20.0.RKACNXM | Fastboot | 4.11 GB | 2021-11-04 |
942a5712ef80a31f9e2ddbd92a37984c
|
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| V12.5.17.0.RKACNXM | Fastboot | 3.88 GB | 2021-10-04 |
9cc0f1e5a528437670b26e18f9866942
|
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| V12.5.12.0.RKACNXM | Fastboot | 4.03 GB | 2021-08-10 |
4e6eedfcf3a7f0fe0eee1b77a837bab3
|
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| V12.5.11.0.RKACNXM | Fastboot | 3.98 GB | 2021-07-22 |
5995927bf06613c373195371ae530cd2
|
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| V12.5.10.0.RKACNXM | Fastboot | 3.98 GB | 2021-07-02 |
0416179b27e92c154a3d704a27da2c55
|
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| V12.5.7.0.RKACNXM | Fastboot | 3.91 GB | 2021-05-20 |
7dfb56b6e4b9f8feb2adb651f420a3ae
|
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| V12.5.4.0.RKACNXM | Fastboot | 3.93 GB | 2021-04-29 |
5a501ed2690f37b532241b6f003eee1f
|
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| V12.5.2.0.RKACNXM | Fastboot | 3.88 GB | 2021-04-19 |
4feee45ee8bd5eb4b2b9ba52d35be2a8
|
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| V12.0.13.0.RKACNXM | Fastboot | 3.84 GB | 2021-04-16 |
a8a4ee0670f2c6942906e19748621a89
|
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| V12.0.10.0.RKACNXM | Fastboot | 3.84 GB | 2021-04-08 |
89b8a90dec23a3b460cb84173ee9d06c
|
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| V12.0.9.0.RKACNXM | Fastboot | 3.84 GB | 2021-04-02 |
be719560cb54abdcd310dbc615b35cef
|
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| OS2.0.1.0.UKACNXM | Fastboot | 7.2 GB | 2025-03-03 |
1545168a469a17aef5d45f7de11b8477
|
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| OS1.0.13.0.UKACNXM | Recovery | 324.29 MB | 2025-02-22 |
b7ceb79cd76d32f4bf75c7810061dffc
|
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| OS1.0.8.0.UKACNXM | Fastboot | 6.63 GB | 2025-01-28 |
e0ee8bc158cfbd0e11aa9a47529d7815
|
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| OS1.0.6.0.UKACNXM | Fastboot | 5.37 GB | 2024-10-15 |
a9c4d9716985b433acfa4c30a0ee09d2
|
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| OS1.0.5.0.UKACNXM | Fastboot | 5.36 GB | 2024-09-06 |
a5f14856bebcb1e0f4afabdbee12d57c
|
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| OS1.0.4.0.UKACNXM | Fastboot | 5.36 GB | 2024-08-21 |
4a8df9c3ad3a6759cdabe69ee3f7083b
|
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| OS1.0.3.0.UKACNXM | Fastboot | 5.36 GB | 2024-06-25 |
654946af5579d8823d5734066c9a232a
|
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| OS1.0.2.0.UKACNXM | Fastboot | 5.34 GB | 2024-04-15 |
783d84531a693b2a15388a2fd949c436
|
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| Version | Method | Size | Release Date | MD5 Hash | Download |
|---|---|---|---|---|---|
| 21.4.15 | Fastboot | 4.13 GB | 2021-04-17 |
N/A
|
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| V14.0.13.0.TKACNXM | Recovery | 5.27 GB | 2024-01-12 |
f867605f4cf257d8dfad7a408a868037
|
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| V14.0.9.0.TKACNXM | Recovery | 1018.17 MB | 2023-05-29 |
88fb6d9f7904d8d8326c6f9d1d7b5951
|
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| V14.0.7.0.TKAEUXM | Recovery | 613.12 MB | 2024-01-12 |
4834e3d43c18fd5be0e92a19007e3907
|
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| V14.0.6.0.TKACNXM | Recovery | 5.44 GB | 2023-01-15 |
24d00705513f92a8df1dd383b1ee300b
|
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| V14.0.5.0.TKAMIXM | Recovery | 247.37 MB | 2023-09-11 |
a83e12e28c26c897b4e469888f436d48
|
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| V14.0.5.0.TKAEUXM | Recovery | 449.73 MB | 2023-08-21 |
1cf7a35dbfd1a9323bbf1f02a0c46930
|
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| V14.0.4.0.TKAMIXM | Recovery | 492.14 MB | 2023-07-27 |
6538dcc3b81d4683e4a9e55ccd95ba3b
|
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| V14.0.4.0.TKAEUXM | Recovery | 569.99 MB | 2023-06-06 |
f5a36babd0744a59fc3c488a1d0e3df0
|
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| V14.0.3.0.TKAINXM | Recovery | 410.11 MB | 2023-08-11 |
b838d2b85f46364442d7024a4a38fad8
|
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| V14.0.3.0.TKAEUXM | Recovery | 5.75 GB | 2023-03-21 |
b3ef4fcbd53817546a9d793237ec44df
|
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| V14.0.2.0.TKAINXM | Recovery | 575.58 MB | 2023-06-05 |
260004a39c10a96896877e0597be5719
|
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| V14.0.2.0.TKAMIXM | Recovery | 611.88 MB | 2023-05-15 |
3c9bb8ae8837ab603284072eb2c783eb
|
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| V14.0.1.0.TKAINXM | Recovery | 4.5 GB | 2023-03-27 |
823ac4c79be9f877f7618fa73de7da79
|
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| V14.0.1.0.TKAMIXM | Recovery | 5.79 GB | 2023-03-14 |
3abbe1c73ebd7450ebd91c1ee60e965b
|
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| Version | Method | Size | Release Date | MD5 Hash | Download |
|---|---|---|---|---|---|
| V13.0.9.0.SKAEUXM | Recovery | 3.8 GB | 2022-10-17 |
5ec4a119b83bce2f5756aeddbcaed7c3
|
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| V13.0.7.0.SKAEUXM | Recovery | 3.9 GB | 2022-05-19 |
327992153c9aca9d39bf404195063652
|
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| V13.0.5.0.SKAEUXM | Recovery | 3.9 GB | 2022-02-24 |
22c3064331408986bc58cc35ac611ac9
|
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| V12.5.11.0.RKAEUXM | Recovery | 3.5 GB | 2021-12-13 |
04e2cbde48c27459024e27bbbdb2a5cf
|
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| V12.5.10.0.RKAEUXM | Recovery | 3.4 GB | 2021-10-04 |
5b3d0f268ff76bd52e7d9fe3d8f9aeba
|
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| V12.5.8.0.RKAEUXM | Recovery | 3.4 GB | 2021-09-26 |
65d4d2bc5916e7d0336f0f4f8c3ced58
|
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| V12.5.6.0.RKAEUXM | Recovery | 3.4 GB | 2021-06-25 |
2ff7e3cad1cef8630e6f6e4074637c2c
|
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| V12.5.3.0.RKAEUXM | Recovery | 3.4 GB | 2021-05-29 |
12ae5696cc8d126757f279a23d462c27
|
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| V12.5.2.0.RKAEUXM | Recovery | 3.4 GB | 2021-05-27 |
97efa55df17bb0e81c1a914e8972fd53
|
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| V12.0.6.0.RKAEUXM | Recovery | 3.3 GB | 2021-04-16 |
d08c83402883a26fb6cdd7a924d8cb0a
|
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| V12.0.4.0.RKAEUXM | Recovery | 3.3 GB | 2021-04-09 |
40036cdecc4a0681b8db0d1cf0610f85
|
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| V12.0.3.0.RKAEUXM | Recovery | 3.3 GB | 2021-04-07 |
d3b0c2e6576d6944a66c90e3323b3798
|
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| OS2.0.3.0.UKAEUXM | Recovery | 5.5 GB | 2025-06-30 |
65c8cf2ed113e397297cf0b5b6d0b854
|
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| OS1.0.10.0.UKAEUXM | Recovery | 179.14 MB | 2025-02-21 |
e0a25a1183c95ba53993fbb896612ed2
|
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| OS1.0.8.0.UKAEUXM | Recovery | 25.97 MB | 2024-12-06 |
7773da0b3516cbb51cf81bc1d130170a
|
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| OS1.0.7.0.UKAEUXM | Recovery | 461.74 MB | 2024-11-04 |
0a37468109d5c1e86a0b775bbc7a5669
|
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| OS1.0.6.0.UKAEUXM | Recovery | 15.93 MB | 2024-10-10 |
36b94878e9ad333a1ec6c210e191b355
|
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| OS1.0.5.0.UKAEUXM | Recovery | 15.65 MB | 2024-09-06 |
c83b47d8ff00c47531a279e5c2db8f04
|
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| OS1.0.4.0.UKAEUXM | Recovery | 323.24 MB | 2024-08-21 |
a013e99530c6518de2a539292877b229
|
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| OS1.0.2.0.UKAEUXM | Recovery | 474.22 MB | 2024-07-08 |
c240ad2ac3b5f9f96dfbd25657c8b4c6
|
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| OS1.0.1.0.UKAEUXM | Recovery | 4.82 GB | 2024-05-20 |
edb36244a2e11735bc993fc12ae4cd6d
|
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| Version | Method | Size | Release Date | MD5 Hash | Download |
|---|---|---|---|---|---|
| V14.0.3.0.TKAMIXM | Recovery | 4.9 GB | 2023-06-14 |
152ba8008d203bede0b6aabc38bc57ab
|
Download |
| V13.0.6.0.SKAMIXM | Recovery | 3.8 GB | 2022-10-17 |
a4bd1172081ad362752ed83c909fa795
|
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| V13.0.4.0.SKAMIXM | Recovery | 3.8 GB | 2022-05-19 |
e10c6575cbec7524838debf46403693b
|
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| V13.0.2.0.SKAMIXM | Recovery | 3.8 GB | 2022-03-03 |
eecc15ab6353ebad60a6954c1382f151
|
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| V12.5.8.0.RKAMIXM | Recovery | 3.5 GB | 2021-12-13 |
abce2a9ae618ed05682c83256869cd73
|
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| V12.5.7.0.RKAMIXM | Recovery | 3.4 GB | 2021-10-08 |
21233417ecd33a0c0f0fbcfd4c7cf925
|
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| V12.5.6.0.RKAMIXM | Recovery | 3.4 GB | 2021-09-24 |
e0b20eed1297d7c62b09f4b7c801e6b2
|
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| V12.5.4.0.RKAMIXM | Recovery | 3.3 GB | 2021-06-30 |
bd264785721f378c2cb4869d856bea6b
|
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| V12.5.3.0.SKAMIXM | Recovery | 3.7 GB | 2021-11-05 |
94b12f5d917e16a280c3dff8d5f103d4
|
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| V12.5.2.0.RKAMIXM | Recovery | 3.4 GB | 2021-06-10 |
2cc39922ac9436dc7caa27fe73b2994f
|
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| V12.0.2.0.RKAMIXM | Recovery | 3.3 GB | 2021-05-06 |
f6f9710fad19908388c68266cee37f1a
|
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| V12.0.1.0.RKAMIXM | Recovery | 3.2 GB | 2021-04-08 |
a0a939e082952de56341ced89ed08cae
|
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| OS2.0.6.0.UKAMIXM | Recovery | 5.5 GB | 2025-06-30 |
cbe1b0deae07db30de7cd42ace7001e9
|
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| OS1.0.11.0.UKAMIXM | Recovery | 167.43 MB | 2025-02-21 |
218759d5fddb51de87320b81f97dce8c
|
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| OS1.0.9.0.UKAMIXM | Recovery | 26.69 MB | 2024-12-06 |
85edfd82972c2c9808469264a2de5162
|
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| OS1.0.7.0.UKAMIXM | Recovery | 442.45 MB | 2024-11-04 |
ee83557691ae37934f78d8452772f95d
|
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| OS1.0.6.0.UKAMIXM | Recovery | 17.66 MB | 2024-10-10 |
4ccfe1f64018b968746f91b9bc0b17f8
|
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| OS1.0.5.0.UKAMIXM | Recovery | 15.85 MB | 2024-09-06 |
a141b890e467c6549c93deb8df1fa6c8
|
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| OS1.0.4.0.UKAMIXM | Recovery | 323.07 MB | 2024-08-21 |
ef09773d7e167cf6046f1e411ded41e3
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| OS1.0.3.0.UKAMIXM | Recovery | 469.98 MB | 2024-07-04 |
868ace962e37e9a6f9a30a569f25c722
|
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| OS1.0.2.0.UKAMIXM | Recovery | 4.84 GB | 2024-05-30 |
c5850393fb280b1accf6c0ad7130cbf3
|
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| Version | Method | Size | Release Date | MD5 Hash | Download |
|---|---|---|---|---|---|
| V13.0.5.0.SKAINXM | Recovery | 3.8 GB | 2022-10-25 |
b4b97ab767a5dfa88da03f9977d1f186
|
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| V13.0.3.0.SKAINXM | Recovery | 3.8 GB | 2022-06-01 |
ec136981c6d252a1305c39e850b8c32d
|
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| V13.0.2.0.SKAINXM | Recovery | 3.8 GB | 2022-03-11 |
a79f4b2f8814f87891b91e1eb2a07a75
|
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| V12.5.6.0.RKAINXM | Recovery | 3.5 GB | 2022-01-13 |
a6d3c3f1326080f15201b78963fc6304
|
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| V12.5.5.0.RKAINXM | Recovery | 3.5 GB | 2021-11-30 |
f422f9fde5ef3db1de588e069d228ffb
|
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| V12.5.2.0.RKAINXM | Recovery | 3.3 GB | 2021-07-08 |
7f02436e86d150f31b7898278801b823
|
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| V12.0.2.0.RKAINXM | Recovery | 3.3 GB | 2021-04-07 |
ae242231706a502be7578f84537122b7
|
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| OS2.0.2.0.UKAINXM | Recovery | 5.4 GB | 2025-05-27 |
7a5e3f1fb72b8bacaa71d15a5dbd5880
|
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| OS1.0.10.0.UKAINXM | Recovery | 30.95 MB | 2025-02-21 |
a45a20112b5342d819e9a22ec7e09b8e
|
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| OS1.0.8.0.UKAINXM | Recovery | 26.41 MB | 2024-12-06 |
bcab1e7d0f71129b54e10c368e78ddc5
|
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| OS1.0.7.0.UKAINXM | Recovery | 624.39 MB | 2024-11-04 |
1daea15f1f0fd8a87a391fdf8d7d6722
|
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| OS1.0.6.0.UKAINXM | Recovery | 59 MB | 2024-10-10 |
4b1a5c7ad774a188a78b6b412b81a497
|
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| OS1.0.5.0.UKAINXM | Recovery | 55.74 MB | 2024-09-06 |
a0c1936ed05a12170120e14e0cd69111
|
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| OS1.0.4.0.UKAINXM | Recovery | 65.48 MB | 2024-08-08 |
a2551baa9028c880091f55aa6dce7c47
|
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| OS1.0.3.0.UKAINXM | Recovery | 441.25 MB | 2024-07-09 |
bf75dfbce613fc4850d271352e21259e
|
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| OS1.0.2.0.UKAINXM | Recovery | 4.81 GB | 2024-05-16 |
2c501448a37b0cca429a990df27697a5
|
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| Version | Method | Size | Release Date | MD5 Hash | Download |
|---|---|---|---|---|---|
| V13.0.5.0.SKAINXM | Recovery | 3.8 GB | 2022-10-25 |
b4b97ab767a5dfa88da03f9977d1f186
|
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| V13.0.3.0.SKAINXM | Recovery | 3.8 GB | 2022-06-01 |
ec136981c6d252a1305c39e850b8c32d
|
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| V13.0.2.0.SKAINXM | Recovery | 3.8 GB | 2022-03-11 |
a79f4b2f8814f87891b91e1eb2a07a75
|
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| V12.5.6.0.RKAINXM | Recovery | 3.5 GB | 2022-01-13 |
a6d3c3f1326080f15201b78963fc6304
|
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| V12.5.5.0.RKAINXM | Recovery | 3.5 GB | 2021-11-30 |
f422f9fde5ef3db1de588e069d228ffb
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| V12.5.2.0.RKAINXM | Recovery | 3.3 GB | 2021-07-08 |
7f02436e86d150f31b7898278801b823
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| V12.0.2.0.RKAINXM | Recovery | 3.3 GB | 2021-04-07 |
ae242231706a502be7578f84537122b7
|
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| OS2.0.2.0.UKAINXM | Recovery | 5.4 GB | 2025-05-27 |
7a5e3f1fb72b8bacaa71d15a5dbd5880
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| OS1.0.10.0.UKAINXM | Recovery | 30.95 MB | 2025-02-21 |
a45a20112b5342d819e9a22ec7e09b8e
|
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| OS1.0.8.0.UKAINXM | Recovery | 26.41 MB | 2024-12-06 |
bcab1e7d0f71129b54e10c368e78ddc5
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| OS1.0.7.0.UKAINXM | Recovery | 624.39 MB | 2024-11-04 |
1daea15f1f0fd8a87a391fdf8d7d6722
|
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| OS1.0.6.0.UKAINXM | Recovery | 59 MB | 2024-10-10 |
4b1a5c7ad774a188a78b6b412b81a497
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| OS1.0.5.0.UKAINXM | Recovery | 55.74 MB | 2024-09-06 |
a0c1936ed05a12170120e14e0cd69111
|
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| OS1.0.4.0.UKAINXM | Recovery | 65.48 MB | 2024-08-08 |
a2551baa9028c880091f55aa6dce7c47
|
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| OS1.0.3.0.UKAINXM | Recovery | 441.25 MB | 2024-07-09 |
bf75dfbce613fc4850d271352e21259e
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| OS1.0.2.0.UKAINXM | Recovery | 4.81 GB | 2024-05-16 |
2c501448a37b0cca429a990df27697a5
|
Download |
Xiaomi Mi 11 Ultra • Released 2021, April 02 • 234g, 8.4mm thickness • Android 11, MIUI 12.5 • 256GB/512GB storage, no card slot ...
| Network | Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G |
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | |
| CDMA 800 | ||
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | |
| CDMA2000 1xEV-DO | ||
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 38, 40, 41, 42, 66 - International | |
| 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42 - China | ||
| 5G bands | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78, 79 SA/NSA - International | |
| 1, 3, 28, 41, 77, 78, 79 SA/NSA - China | ||
| Speed | HSPA, LTE, 5G |
| Launch | Announced | 2021, March 29 |
|---|---|---|
| Status | Available. Released 2021, April 02 |
| Body | Dimensions | 164.3 x 74.6 x 8.4 mm (6.47 x 2.94 x 0.33 in) |
|---|---|---|
| Weight | 234 g (8.25 oz) | |
| Build | Glass front (Gorilla Glass Victus), ceramic back, aluminum frame | |
| SIM | Nano-SIM + Nano-SIM | |
| IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) |
| Display | Type | AMOLED, 1B colors, 120Hz, HDR10+, Dolby Vision, 900 nits (HBM), 1700 nits (peak) |
|---|---|---|
| Size | 6.81 inches, 112.0 cm2 (~91.4% screen-to-body ratio) | |
| Resolution | 1440 x 3200 pixels, 20:9 ratio (~515 ppi density) | |
| Protection | Corning Gorilla Glass Victus |
| Platform | OS | Android 11, upgradable to Android 13, MIUI 14 |
|---|---|---|
| Chipset | Qualcomm SM8350 Snapdragon 888 5G (5 nm) | |
| CPU | Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) | |
| GPU | Adreno 660 |
| Memory | Card slot | No |
|---|---|---|
| Internal | 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM | |
| UFS 3.1 |
| Main Camera | Triple | 50 MP, f/2.0, 24mm (wide), 1/1.12", 1.4µm, dual pixel PDAF, OIS 48 MP, f/4.1, 120mm (periscope telephoto), 1/2.0", 0.8µm, PDAF, OIS, 5x optical zoom 48 MP, f/2.2, 12mm, 128˚ (ultrawide), 1/2.0", 0.8µm, PDAF |
|---|---|---|
| Features | Laser AF, color spectrum sensor, Dual-LED flash, HDR, panorama, 1.1” AMOLED selfie display | |
| Video | 8K@24fps, 4K@30/60fps, 1080p@30/60/120/240/960/1920fps, gyro-EIS, HDR10+ rec. |
| Selfie camera | Single | 20 MP, f/2.2, 27mm (wide), 1/3.4", 0.8µm |
|---|---|---|
| Features | HDR, panorama | |
| Video | 1080p@30/60fps, 720p@120fps, gyro-EIS |
| Sound | Loudspeaker | Yes, with stereo speakers |
|---|---|---|
| 3.5mm jack | No | |
| 24-bit/192kHz Hi-Res audio Tuned by Harman Kardon Snapdragon Sound |
| Comms | WLAN | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, DLNA |
|---|---|---|
| Bluetooth | 5.2, A2DP, LE, aptX HD, aptX Adaptive | |
| Positioning | GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) | |
| NFC | Yes | |
| Infrared port | Yes | |
| Radio | No | |
| USB | USB Type-C 2.0, OTG |
| Features | Sensors | Fingerprint (under display, optical), accelerometer, gyro, compass |
|---|---|---|
| Virtual proximity sensing |
| Battery | Type | Li-Po 5000 mAh |
|---|---|---|
| Charging | 67W wired, PD3.0, QC4, 100% in 36 min 67W wireless, 100% in 39 min 10W reverse wireless |
| Misc | Colors | Ceramic White (Cosmic White), Ceramic Black (Cosmic Black) |
|---|---|---|
| Models | M2102K1G, M2102K1C | |
| SAR | 1.08 W/kg (head) 0.81 W/kg (body) | |
| SAR EU | 0.55 W/kg (head) 0.99 W/kg (body) | |
| Price | About 1500 EUR |
| Our Tests | Performance | AnTuTu: 688720 (v8) GeekBench: 3191 (v5.1) GFXBench: 33fps (ES 3.1 onscreen) |
|---|---|---|
| Display | 943 nits max brightness (measured) | |
| Camera | Photo / Video | |
| Loudspeaker | -24.3 LUFS (Very good) | |
| Battery (old) | Endurance rating 95h | |
A: Yes — official firmware from the manufacturer is generally safe when you match your device's exact model number and region. Flashing the wrong region or modified firmware can cause issues.
A: Mi 11 Pro / Ultra China firmware is flashed using MiFlash. See the step-by-step guide above for the full procedure.
A: Some devices allow downgrading, others have anti-rollback protection that blocks it. Check the version-specific notes on each ROM page, or your model's community forum, before attempting a downgrade.
A: First, verify the firmware matches your exact model code (e.g. SM-S938B for Samsung, or the CPH-number for OPPO). Reinstall the manufacturer's USB drivers, use a rear USB 2.0 port directly on your PC, and retry. The troubleshooting box above the FAQ covers the most common failure modes.
