Samsung Galaxy On7 Refresh (SM-G611MT) is a samsung device (codename: sm-g611mt). FirmwareMirror hosts 20 verified firmware builds, covering: ZTO, ZTM, ZVV, ZTR. Available as official firmware. Last updated: July 2021. All files MD5-verified. Free, no registration.
Find and download official Stock ROM for Samsung Galaxy On7 Refresh (SM-G611MT) (sm-g611mt). All firmware files include MD5 hash verification and are available for direct download.
| Version | Method | Size | Release Date | MD5 Hash | Download |
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| G611MTVJU8CUE2/G611MTZTO8CUE3/G611MTVJU8CUE2 | Odin | 49.56 MB | 2021-05-01 |
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| G611MTVJU8CUE2/G611MTZTM8CUE2/G611MTVJU8CUE2 | Odin | 49.56 MB | 2021-05-01 |
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| G611MTVJS8CUG1/G611MTZTO8CUE3/G611MTVJU8CUE2 | Odin | 422.56 MB | 2021-07-01 |
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| G611MTVJS8CUG1/G611MTZTM8CUE2/G611MTVJU8CUE2 | Odin | 2.13 GB | 2021-07-01 |
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| G611MTVJS8CUD1/G611MTZVV8CUD1/G611MTVJS8CUD1 | Odin | 71.69 MB | 2021-04-01 |
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| G611MTVJS7CTJ3/G611MTZTM7CTJ2/G611MTVJS7CTJ3 | Odin | 416.12 MB | N/A |
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| G611MTVJU7CTJ2/G611MTZVV7CTJ1/G611MTVJU7CTJ2 | Odin | 82.87 MB | N/A |
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| G611MTVJU7CUA1/G611MTZTO7CUA1/G611MTVJU7CUA1 | Odin | 65.48 MB | 2021-01-01 |
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| G611MTVJU7CUA1/G611MTZTM7CUA1/G611MTVJU7CUA1 | Odin | 61.7 MB | 2021-01-01 |
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| G611MTVJS6CTH2/G611MTZTR6CTH2/G611MTVJS6CTH3 | Odin | 355.07 MB | N/A |
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| G611MTVJS6CTI1/G611MTZTO6CTI1/G611MTVJS6CTI1 | Odin | 397.3 MB | N/A |
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| G611MTVJS5CTD1/G611MTZTR5CTD1/G611MTVJS5CTD1 | Odin | 361.5 MB | N/A |
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| G611MTVJS4CTC3/G611MTZTM4CTC3/G611MTVJS4CTC3 | Odin | 422.56 MB | N/A |
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| G611MTVJS4CTC2/G611MTZVV4CTC2/G611MTVJS4CTC2 | Odin | 365.72 MB | N/A |
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| G611MTVJS4CTC1/G611MTZTO4CTC1/G611MTVJS4CTC1 | Odin | 403.74 MB | N/A |
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| G611MTVJS3CTA3/G611MTZTR3CTA3/G611MTVJS3CTA3 | Odin | 339.11 MB | N/A |
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| G611MTVJS3CTA2/G611MTZVV3CTA1/G611MTVJS3CTA2 | Odin | 346.64 MB | N/A |
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| G611MTVJS3CTA1/G611MTZTM3CTA1/G611MTVJS3CTA1 | Odin | 403.61 MB | N/A |
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| G611MTVJU2CSJ2/G611MTZVV2CSJ1/G611MTVJU2CSJ2 | Odin | 333.7 MB | N/A |
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| G611MTVJS2CSK2/G611MTZTO2CSH1/G611MTVJS2CSK1 | Odin | 395.64 MB | N/A |
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Versions: G611FF/DS (India)
Also known as Samsung Galaxy J7 Prime (2018)
| Network | Technology | GSM / HSPA / LTE |
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | |
| 3G bands | HSDPA 850 / 900 / 1900 / 2100 | |
| 4G bands | 1, 3, 5, 7, 8, 20, 38, 40 | |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Launch | Announced | 2018, March. Released 2018, April |
|---|---|---|
| Status | Discontinued |
| Body | Dimensions | 151.7 x 75 x 8 mm (5.97 x 2.95 x 0.31 in) |
|---|---|---|
| Weight | 170 g (6.00 oz) | |
| Build | Glass front (Gorilla Glass), aluminum/plastic back, aluminum frame | |
| SIM | · Nano-SIM · Nano-SIM + Nano-SIM |
| Display | Type | PLS LCD |
|---|---|---|
| Size | 5.5 inches, 83.4 cm2 (~73.3% screen-to-body ratio) | |
| Resolution | 1080 x 1920 pixels, 16:9 ratio (~401 ppi density) | |
| Protection | Corning Gorilla Glass (market dependent) |
| Platform | OS | Android 7.0 (Nougat), upgradable to Android 9.0 (Pie) |
|---|---|---|
| Chipset | Exynos 7870 Octa (14 nm) | |
| CPU | Octa-core 1.6 GHz Cortex-A53 | |
| GPU | Mali-T830 MP1 |
| Memory | Card slot | microSDXC (dedicated slot) |
|---|---|---|
| Internal | 32GB 3GB RAM | |
| eMMC 5.1 |
| Main Camera | Single | 13 MP, f/1.9, 28mm (wide), AF |
|---|---|---|
| Features | LED flash, panorama, HDR | |
| Video | 1080p@30fps |
| Selfie camera | Single | 13 MP, f/1.9, 1/3.1", 1.12µm |
|---|---|---|
| Video | 1080p@30fps |
| Sound | Loudspeaker | Yes |
|---|---|---|
| 3.5mm jack | Yes |
| Comms | WLAN | Wi-Fi 802.11 b/g/n, Wi-Fi Direct |
|---|---|---|
| Bluetooth | 4.1, A2DP, LE | |
| Positioning | GPS, GLONASS, BDS | |
| NFC | No | |
| Radio | FM radio | |
| USB | microUSB 2.0, OTG |
| Features | Sensors | Fingerprint (front-mounted), accelerometer, proximity |
|---|---|---|
| ANT+ |
| Battery | Type | Li-Ion 3300 mAh, non-removable |
|---|---|---|
| Talk time | Up to 21 h (3G) | |
| Music play | Up to 84 h |
| Misc | Colors | Black, Gold, Rose Gold |
|---|---|---|
| Models | SM-G611F, SM-G611FF, SM-G611M, SM-G611MT, SM-G611K | |
| SAR | 0.61 W/kg (head) | |
| SAR EU | 0.37 W/kg (head) 1.63 W/kg (body) | |
| Price | About 170 EUR |
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: Samsung Galaxy On7 Refresh (SM-G611MT) firmware is flashed using Odin. 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.
