Download official Oppo A33 CPH2137 stock firmware from RomWala. Fix bootloop, hang on logo, dead issues, FRP lock, pattern unlock, and software errors. Based on Android 10/11/12/13 with ColorOS 10/11/...
| Description | Official stock firmware flash file for Oppo A33 CPH2137 from RomWala. Fix bootloop, hang on logo, dead issues, FRP lock, pattern unlock, and software errors. Based on Android 10/11/12/13 with ColorOS 10/11/12/13. Flash using Download Tool with authorized account. Direct download links below. |
| Firmware Version | CPH2137: A.26 / A.25 / A.24 / A.22 / A.19 / A.15 / A.10 |
| Package Name | CPH2137PU-11-A.26-230227-2e4956d5 |
| File Size | ~5.0 GB to 6.0 GB (extracted) |
| System | Android 10/11/12/13 (ColorOS 10/11/12/13) |
| Security Patch Level | 2020-12-01 to 2023-02-01 |
| Release Date | December 2020 - February 2023 |
| Flash Tools | Download Tool, SP Flash Tool, MTK Flash Tool (Authorized account required) |
| Compression | ZIP/RAR |
| Firmware Type | Stock Firmware |
| Purpose | Fix bootloop, Hang on logo, Dead issue fix, FRP bypass, Pattern unlock, Software errors, Upgrade/Downgrade |
| Device Name | Oppo A33 |
| Brand | Oppo |
| Model | CPH2137 |
| Other Names | CPH2137 (Global) |
| Year Released | 2020 |
| Network | 2G, 3G, 4G |
| SIM | Dual SIM (Nano-SIM) |
| Dimensions | ~162.5 x 75.4 x 8.5 mm |
| Weight | ~185 grams |
| Build | Glass front, Plastic back, Plastic frame |
| Display | 6.72 inches LCD, 60Hz, 1080 x 2400 pixels |
| Chipset | MediaTek Helio P35 (12 nm) |
| CPU | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) |
| GPU | PowerVR GE8320 |
| RAM Options | 3GB / 4GB LPDDR4X |
| Storage Options | 32GB / 64GB eMMC 5.1 |
| Expandable Storage | Dedicated SD card slot |
| Battery Capacity | 5000mAh non-removable |
| Charging Support | Fast charging |
| OS | Android 10/11/12/13 (ColorOS 10/11/12/13) |
| Rear Camera | 13MP (f/2.2) + 2MP (f/2.4) + 2MP (f/2.4) |
| Front Camera | 8MP (f/2.4) |
| Fingerprint | Side-mounted |
| Features | 4G connectivity, 60Hz display, SD card support |
| Network Support | 4G LTE, Dual SIM |
| Firmware Type | Stock Firmware |
| Version A.26 | File Name: CPH2137PU_11_A.26_230227_2e4956d5 Package Name: CPH2137PU-11-A.26-230227-2e4956d5 Region: PU OS: Android 13 (ColorOS 13) |
| Version A.25 | File Name: CPH2137PU_11_A.25_221125_e9de6597 Package Name: CPH2137PU-11-A.25-221125-e9de6597 Region: PU OS: Android 12 (ColorOS 12) |
| Version A.24 | File Name: CPH2137PU_11_A.24_221030_52733f1a Package Name: CPH2137PU-11-A.24-221030-52733f1a Region: PU OS: Android 12 (ColorOS 12) |
| Version A.22 | File Name: CPH2137PU_11_A.22_220626_407fef74 Package Name: CPH2137PU-11-A.22-220626-407fef74 Region: PU OS: Android 12 (ColorOS 12) |
| Version A.19 | File Name: CPH2137PU_11_A.19_220126_407fef74 Package Name: CPH2137PU-11-A.19-220126-407fef74 Region: PU OS: Android 11 (ColorOS 11) |
| Version A.15 | File Name: CPH2137PU_11_A.15_210823_382a6012 Package Name: CPH2137PU-11-A.15-210823-382a6012 Region: PU OS: Android 11 (ColorOS 11) |
| Version A.10 | File Name: CPH2137PU_11_A.10_201209_2a95ecae Package Name: CPH2137PU-11-A.10-201209-2a95ecae Region: PU OS: Android 10 (ColorOS 10) |
| Requirement 1 | Battery should be charged up to 70% minimum |
| Requirement 2 | Make sure you have Oppo USB OG Cable |
| Requirement 3 | Download and install Download Tool / SP Flash Tool on PC |
| Requirement 4 | Download and install MediaTek USB drivers on your computer |
| Requirement 5 | Take a complete backup before flashing |
| Requirement 6 | Knowledge of flashing (professionals recommended) |
| Requirement 7 | ⚠️ Authorized Oppo service account required for flashing |
| Advantage 1 | Flash Stock ROM to unbrick your Oppo A33 |
| Advantage 2 | Flash Stock ROM to fix the boot loop problem |
| Advantage 3 | Upgrade And Downgrade Oppo A33 |
| Advantage 4 | Unroot and fix bugs on your phone |
| Advantage 5 | To fix the lag or Stutter on your Oppo A33 |
| Advantage 6 | By flashing Stock ROM, you can solve software problems |
| Advantage 7 | Revert back to Stock to gain your warranty |
| Step 1 | Download the firmware & extract it to get .ofp file |
| Step 2 | Download and install MediaTek drivers on your computer. If already installed, skip this step |
| Step 3 | Extract and open Download Tool / SP Flash Tool on your PC |
| Step 4 | Login with authorized Oppo service account (required) |
| Step 5 | Load the firmware file from the extracted folder |
| Step 6 | Click on Start All / Flash button in the tool |
| Step 7 | Power off the device completely |
| Step 8 | Press and hold both Volume Up + Volume Down buttons |
| Step 9 | Connect your device to PC via USB cable while holding buttons |
| Step 10 | Wait for the tool to detect and flash your device automatically |
| Step 11 | Wait till process completed - Device Ready - Done |
| Note 1 | ⚠️ Do flash or unlock at your risk - we are not responsible if you made any mistake and device got bricked |
| Note 2 | Read all flashing instructions carefully before doing flash or unlock |
| Note 3 | Check device version by dial code *#899# in emergency dial |
| Note 4 | If device not detected, reinstall MediaTek USB drivers |
| Note 5 | Use only on Oppo A33 CPH2137 |
| Note 6 | All data will be erased - backup important files before flashing |
| Note 7 | Do not disconnect USB cable during flashing process |
| Note 8 | ⚠️ Authorized Oppo service account required to flash this device |
| Requirements | Windows PC, USB Data Cable, 70% battery, MediaTek USB Drivers, Download Tool / SP Flash Tool, Authorized Oppo account |
| How to Flash | 1. Install drivers. 2. Login with authorized account. 3. Load firmware in Download Tool. 4. Click Start All. 5. Power off device. 6. Press Volume Up + Down. 7. Connect to PC. 8. Wait for completion. |
| Warnings | Use only on Oppo A33 CPH2137. Do not disconnect during flashing. All data erased. Operations at your own risk. |
| Troubleshooting | Device not detected - reinstall MediaTek drivers. Auth error - use authorized account. Flash error - use latest tool version. |
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