Mi 9 China is a xiaomi device (codename: cepheus). FirmwareMirror hosts 217 verified firmware builds. Available as Fastboot & Recovery ROM formats, compatible with Android 9.0, 12.0, 11.0. Last updated: December 2021. All files MD5-verified. Free, no registration.
Find and download official MIUI ROM for Mi 9 China (cepheus). All firmware files include MD5 hash verification and are available for direct download.
| Version | Method | Size | Release Date | MD5 Hash | Download |
|---|---|---|---|---|---|
| V12.5.6.0.RFACNXM | Recovery | 2.8 GB | 2021-12-01 |
5d1239a6d150a95b9f27f9e5969b5ebd
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| V12.5.5.0.RFACNXM | Fastboot | 2.64 GB | 2021-11-09 |
8ff260d2513d78da00f41bd31b85af68
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| V12.5.4.0.RFACNXM | Fastboot | 2.57 GB | 2021-08-06 |
62ddc4493afb823af78afd056d9c0eb3
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| V12.5.3.0.RFACNXM | Fastboot | 2.59 GB | 2021-05-26 |
b120263c4416db24500586a607191c55
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| V12.0.6.0.QFACNXM | Fastboot | 2.47 GB | 2020-12-17 |
f092b99a2e64ae75c29a537b3f3c848d
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| V12.0.5.0.QFACNXM | Recovery | 2.7 GB | 2020-10-18 |
d14054540dcbd099327310337d19eb37
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| V12.0.4.0.QFACNXM | Fastboot | 2.46 GB | 2020-09-29 |
7a7f45fb4aabddce124c49dcd9533e42
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| V12.0.3.0.QFACNXM | Fastboot | 2.46 GB | 2020-07-16 |
20f96e9c93c6296cab59d8bb854b4a83
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| V12.0.2.0.QFACNXM | Recovery | 2.9 GB | 2020-06-22 |
f50d818cbaa078649eb0252c20bbbe33
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| V12.0.1.0.QFACNXM | Recovery | 2.7 GB | 2020-06-15 |
e22f3182e3a297a720d509ae06b94e8c
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| V11.0.9.0.QFACNXM | Recovery | 2.7 GB | 2020-04-12 |
aa7683f0276c42a2603334ce5294becd
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| V11.0.7.1.QFACNXM | Recovery | 2.7 GB | 2020-04-03 |
6a9b2a898c114ee24d09d761a7466055
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| V11.0.7.0.QFACNXM | Recovery | 2.7 GB | 2020-03-17 |
31650920e8925b63b321b848bfe8fbff
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| V11.0.5.0.QFACNXM | Recovery | 2.7 GB | 2019-12-16 |
035a5714483eb524b1616d2beb37960a
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| V11.0.4.0.QFACNXM | Recovery | 2.6 GB | 2019-11-18 |
b22bd472a1343888af7bfeb7993c0072
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| V11.0.3.0.QFACNXM | Recovery | 2.6 GB | 2019-11-05 |
35574a7acdb13994fbbf791b5b1cebcc
|
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| V11.0.2.0.QFACNXM | Recovery | 2.6 GB | 2019-10-19 |
eb6e5d0b57a6bf34aa592bb39af7cbbe
|
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| V10.2.35.0.PFACNXM | Recovery | 2.7 GB | 2019-09-09 |
995929873008bc8fa53f7e71b597afe1
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| V10.2.33.0.PFACNXM | Recovery | 2.7 GB | 2019-08-14 |
117749063815ea05c96c3c137aeb51e6
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| V10.2.31.0.PFACNXM | Recovery | 2.7 GB | 2019-07-11 |
89ce642dca0f129b680f18baee59cb63
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| V10.2.29.0.PFACNXM | Recovery | 2.7 GB | 2019-07-01 |
f112af838957ed44aad4a1c9b1d76dd9
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| V10.2.28.0.PFACNXM | Recovery | 2.7 GB | 2019-06-18 |
56cc8d69767e73e7f7ca084e8d44b828
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| V10.2.27.0.PFACNXM | Recovery | 2.7 GB | 2019-06-04 |
85ad3762e56e84099ad48060d528f506
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| V10.2.25.0.PFACNXM | Recovery | 2.7 GB | 2019-05-08 |
b2fea621fa8dc73d36d309c3590ea9c9
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| V10.2.20.0.PFACNXM | Recovery | 2.7 GB | 2019-04-19 |
49ce414404ec9dce782f9506c0119dbd
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| V10.2.16.0.PFACNXM | Fastboot | 3.4 GB | 2019-04-04 |
d558e666f57f93574a4c8a41dc06e7d6
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| V10.2.15.0.PFACNXM | Recovery | 2.6 GB | 2019-03-14 |
72af81f34911880c0d845d8b95e0b52f
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| V10.2.11.0.PFACNXM | Fastboot | 3.4 GB | 2019-03-01 |
163a3f9ac81423490b3b050f32ad29ec
|
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| V10.2.5.0.PFACNXM | Recovery | 2.7 GB | 2019-02-22 |
64a26fe7ce3e46a7759abc1a035c363d
|
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| Version | Method | Size | Release Date | MD5 Hash | Download |
|---|---|---|---|---|---|
| V12.5.2.0.RFAEUXM | Recovery | 2.6 GB | 2021-11-26 |
54d7f7ae8800ab28f171f12168dee4e2
|
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| V12.5.1.0.RFAEUXM | Recovery | 2.6 GB | 2021-07-07 |
64d22ba46c8cf05879963603643d48c1
|
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| V12.0.5.0.QFAEUXM | Recovery | 2.5 GB | 2021-04-25 |
8c911c47a4902270ff764134ba345bde
|
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| V12.0.4.0.QFAEUXM | Recovery | 2.5 GB | 2021-01-25 |
888770fbbe44e9d314bf70acfcfbaf33
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| V12.0.3.0.QFAEUXM | Recovery | 2.5 GB | 2020-11-11 |
86b15cca82b0e01592fc589407d8ce1d
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| V12.0.2.0.QFAEUXM | Recovery | 2.5 GB | 2020-08-28 |
44dcb669331871607368f28dc43ef3b1
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| V12.0.1.0.QFAEUXM | Recovery | 2.7 GB | 2020-06-22 |
4d28c84f5808c59b2caba22864aa6e55
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| V12.0.0.9.QFAEUXM | Recovery | 2.5 GB | 2020-06-02 |
4e70ef16708ffdd6f7c7835da54d3eb0
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| V11.0.9.0.QFAEUXM | Recovery | 2.5 GB | 2020-04-26 |
6f1cf6446078d98029a069b5ecd4fb8e
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| V11.0.8.0.QFAEUXM | Recovery | 2.5 GB | 2020-03-02 |
39255ef3ce75eef26b389354a76d2850
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| V11.0.7.0.QFAEUXM | Recovery | 2.5 GB | 2020-01-10 |
c540795d64478844ada2c0be927dfc85
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| V11.0.6.0.QFAEUXM | Recovery | 2.4 GB | 2019-11-21 |
16473400734f7764c4313ecd355cf2c8
|
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| V11.0.5.0.QFAEUXM | Recovery | 2.4 GB | 2019-11-04 |
b75c33b8115b838c02807fa307d0355a
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| V10.2.30.0.PFAEUXM | Recovery | 2.4 GB | 2019-08-27 |
82c59044596e135bff014ce34aef5646
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| V10.2.28.0.PFAEUXM | Recovery | 2.3 GB | 2019-07-19 |
ac05750e9a7192b5babf11c17f50422c
|
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| V10.2.27.0.PFAEUXM | Recovery | 2.3 GB | 2019-07-05 |
7af0247ed457479338f0d9ff75f5388f
|
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| V10.2.26.0.PFAEUXM | Fastboot | 3.2 GB | 2019-06-11 |
0a89e0c8fb3c7b3cc0299ee89a111eaa
|
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| V10.2.24.0.PFAEUXM | Fastboot | 3.2 GB | 2019-05-06 |
2a4318c8d72f0a5d0ac4d3f1dfd8a164
|
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| V10.2.22.0.PFAEUXM | Recovery | 2.3 GB | 2019-04-15 |
745a374eee7ca6df7aab39f4b7752dfc
|
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| V10.2.17.0.PFAEUXM | Fastboot | 3.1 GB | 2019-04-15 |
b2470d1b082e03bb7659955747a85d63
|
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| V10.2.15.0.PFAEUXM | Fastboot | 3.1 GB | 2019-04-08 |
2bc868f649055a648ea8f77b141acf5d
|
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| V10.2.12.0.PFAEUXM | Recovery | 2.3 GB | 2019-03-01 |
57ad5f1d24f676d8f0889c0b20e640d2
|
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| Version | Method | Size | Release Date | MD5 Hash | Download |
|---|---|---|---|---|---|
| V12.5.1.0.RFAMIXM | Recovery | 2.6 GB | 2021-06-17 |
54d23f235e3c9f605f37dcde3b69407c
|
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| V12.0.5.0.QFAMIXM | Recovery | 2.5 GB | 2021-03-04 |
392199c570ae88207910bbc9b1cc90e7
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| V12.0.4.0.QFAMIXM | Recovery | 2.5 GB | 2021-01-22 |
047aaad55231b1dfe54ac11fd6e585ce
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| V12.0.3.0.QFAMIXM | Recovery | 2.5 GB | 2020-11-11 |
175452a9a25b589d522a26149ed3bf9c
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| V12.0.2.0.QFAMIXM | Recovery | 2.5 GB | 2020-08-26 |
a559c4c1fe078b02ad4807cb00f43573
|
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| V12.0.1.0.QFAMIXM | Recovery | 2.7 GB | 2020-06-29 |
fd9137ab3a6007e699ea8396cbd0d7aa
|
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| V12.0.0.8.QFAMIXM | Recovery | 2.5 GB | 2020-05-25 |
51d9f17530ba9eeb0a8d80be001e89be
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| V11.0.6.0.QFAMIXM | Recovery | 2.5 GB | 2020-04-26 |
9b7f8b2137ffac1ab34c3bae0f3a5d1b
|
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| V11.0.5.0.QFAMIXM | Recovery | 2.5 GB | 2020-03-02 |
2a6a8c525910382309d8b3a927b5b298
|
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| V11.0.4.0.QFAMIXM | Recovery | 2.5 GB | 2020-01-10 |
5e4cc092faa68090e56fbc7bbc62da65
|
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| V11.0.3.0.QFAMIXM | Recovery | 2.4 GB | 2019-11-19 |
f321a89ed97e218d8ab726dde051484c
|
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| V11.0.2.0.QFAMIXM | Recovery | 2.4 GB | 2019-11-04 |
38f824197c39ed5d50afb44eafb83366
|
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| V11.0.1.0.QFAMIXM | Recovery | 2.4 GB | 2019-10-29 |
fe2e2306cc969777a1c7fc8ae321209e
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| V10.2.14.0.PFAMIXM | Recovery | 2.4 GB | 2019-09-23 |
f17b3213771cff806e924dd855ad3fdb
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| V10.2.13.0.PFAMIXM | Recovery | 2.3 GB | 2019-07-19 |
b529c3de0785abe84863ba1308f4fb54
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| V10.2.12.0.PFAMIXM | Recovery | 2.3 GB | 2019-07-05 |
7577b70818bd3267728e4f34bf96f84c
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| V10.2.11.0.PFAMIXM | Recovery | 2.3 GB | 2019-07-17 |
0fc3ce2165ee318558c45f4ef4aec2a2
|
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| V10.2.9.0.PFAMIXM | Recovery | 2.3 GB | 2019-04-29 |
45a4e7920aa41d9d51e9aaeaf29021b0
|
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| V10.2.6.0.PFAMIXM | Recovery | 2.3 GB | 2019-04-15 |
d7e98c65f0256d2667bebd64a4b5a6b7
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| V10.2.3.0.PFAMIXM | Recovery | 2.3 GB | 2019-04-01 |
e3aaed0507a830eaaf503dcc7c1977e0
|
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| Version | Method | Size | Release Date | MD5 Hash | Download |
|---|---|---|---|---|---|
| V12.5.1.0.RFAMIXM | Recovery | 2.6 GB | 2021-06-17 |
54d23f235e3c9f605f37dcde3b69407c
|
Download |
| V12.0.5.0.QFAMIXM | Recovery | 2.5 GB | 2021-03-04 |
392199c570ae88207910bbc9b1cc90e7
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| V12.0.4.0.QFAMIXM | Recovery | 2.5 GB | 2021-01-22 |
047aaad55231b1dfe54ac11fd6e585ce
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| V12.0.3.0.QFAMIXM | Recovery | 2.5 GB | 2020-11-11 |
175452a9a25b589d522a26149ed3bf9c
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| V12.0.2.0.QFAMIXM | Recovery | 2.5 GB | 2020-08-26 |
a559c4c1fe078b02ad4807cb00f43573
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| V12.0.1.0.QFAMIXM | Recovery | 2.7 GB | 2020-06-29 |
fd9137ab3a6007e699ea8396cbd0d7aa
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| V12.0.0.8.QFAMIXM | Recovery | 2.5 GB | 2020-05-25 |
51d9f17530ba9eeb0a8d80be001e89be
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| V11.0.6.0.QFAMIXM | Recovery | 2.5 GB | 2020-04-26 |
9b7f8b2137ffac1ab34c3bae0f3a5d1b
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| V11.0.5.0.QFAMIXM | Recovery | 2.5 GB | 2020-03-02 |
2a6a8c525910382309d8b3a927b5b298
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| V11.0.4.0.QFAMIXM | Recovery | 2.5 GB | 2020-01-10 |
5e4cc092faa68090e56fbc7bbc62da65
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| V11.0.3.0.QFAMIXM | Recovery | 2.4 GB | 2019-11-19 |
f321a89ed97e218d8ab726dde051484c
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| V11.0.2.0.QFAMIXM | Recovery | 2.4 GB | 2019-11-04 |
38f824197c39ed5d50afb44eafb83366
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| V11.0.1.0.QFAMIXM | Recovery | 2.4 GB | 2019-10-29 |
fe2e2306cc969777a1c7fc8ae321209e
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| V10.2.14.0.PFAMIXM | Recovery | 2.4 GB | 2019-09-23 |
f17b3213771cff806e924dd855ad3fdb
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| V10.2.13.0.PFAMIXM | Recovery | 2.3 GB | 2019-07-19 |
b529c3de0785abe84863ba1308f4fb54
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| V10.2.12.0.PFAMIXM | Recovery | 2.3 GB | 2019-07-05 |
7577b70818bd3267728e4f34bf96f84c
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| V10.2.11.0.PFAMIXM | Recovery | 2.3 GB | 2019-07-17 |
0fc3ce2165ee318558c45f4ef4aec2a2
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| V10.2.9.0.PFAMIXM | Recovery | 2.3 GB | 2019-04-29 |
45a4e7920aa41d9d51e9aaeaf29021b0
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| V10.2.6.0.PFAMIXM | Recovery | 2.3 GB | 2019-04-15 |
d7e98c65f0256d2667bebd64a4b5a6b7
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| V10.2.3.0.PFAMIXM | Recovery | 2.3 GB | 2019-04-01 |
e3aaed0507a830eaaf503dcc7c1977e0
|
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The Amoled Samsung screen, which is from 6.39
| Network | Technology | GSM / CDMA / HSPA / LTE |
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | |
| CDMA 800 & TD-SCDMA | ||
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 12, 20, 28, 38, 39, 40 - Global | |
| 1, 2, 3, 4, 5, 7, 8, 12, 17, 34, 38, 39, 40, 41 - China | ||
| Speed | HSPA 42.2/5.76 Mbps, LTE (5CA) Cat18 1200/150 Mbps |
| Launch | Announced | 2019, February 20. Released 2019, March 25 |
|---|---|---|
| Status | Discontinued |
| Body | Dimensions | 157.5 x 74.7 x 7.6 mm (6.20 x 2.94 x 0.30 in) |
|---|---|---|
| Weight | 173 g (6.10 oz) | |
| Build | Glass front (Gorilla Glass 6), glass back (Gorilla Glass 5), aluminum frame | |
| SIM | Nano-SIM + Nano-SIM |
| Display | Type | Super AMOLED, HDR10 |
|---|---|---|
| Size | 6.39 inches, 100.2 cm2 (~85.2% screen-to-body ratio) | |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) | |
| Protection | Corning Gorilla Glass 6 |
| Platform | OS | Android 9.0 (Pie), upgradable to Android 10, MIUI 12.5 |
|---|---|---|
| Chipset | Qualcomm SM8150 Snapdragon 855 (7 nm) | |
| CPU | Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485) | |
| GPU | Adreno 640 |
| Memory | Card slot | No |
|---|---|---|
| Internal | 64GB 6GB RAM, 64GB 8GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM | |
| UFS 2.1 |
| Main Camera | Triple | 48 MP, f/1.8, 27mm (wide), 1/2.0", 0.8µm, PDAF 12 MP, f/2.2, 54mm (telephoto), 1/3.6", 1.0µm, PDAF, 2x optical zoom 16 MP, f/2.2, 13mm (ultrawide), 1/3.0", 1.0µm, PDAF |
|---|---|---|
| Features | Laser AF, Dual-LED flash, HDR, panorama | |
| Video | 4K@30/60fps, 1080p@30/120/240fps, 1080p@960fps |
| Selfie camera | Single | 20 MP, f/2.0, (wide), 1/3", 0.9µm |
|---|---|---|
| Features | HDR | |
| Video | 1080p@30fps |
| Sound | Loudspeaker | Yes |
|---|---|---|
| 3.5mm jack | No |
| Comms | WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA |
|---|---|---|
| Bluetooth | 5.0, A2DP, LE, aptX HD | |
| Positioning | GPS (L1+L5), GLONASS (L1), BDS (B1), GALILEO (E1+E5a), QZSS (L1+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 3300 mAh, non-removable |
|---|---|---|
| Charging | 27W wired, QC4 20W wireless |
| Misc | Colors | Lavender Violet, Ocean Blue, Piano Black |
|---|---|---|
| Models | M1902F1G | |
| SAR | 0.99 W/kg (head) 1.04 W/kg (body) | |
| SAR EU | 1.39 W/kg (head) 1.30 W/kg (body) | |
| Price | About 590 EUR |
| Our Tests | Performance | AnTuTu: 372006 (v7) GeekBench: 11181 (v4.4) GFXBench: 35fps (ES 3.1 onscreen) |
|---|---|---|
| Display | Contrast ratio: Infinite (nominal), 3.921 (sunlight) | |
| Camera | Photo / Video | |
| Loudspeaker | Voice 70dB / Noise 74dB / Ring 81dB | |
| Audio quality | Noise -93.9dB / Crosstalk -91.9dB | |
| 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 9 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.
