https://github.com/o0Mardev/android_device_oppo_OP4B9B

Unofficial TWRP for OP4B9B devices
https://github.com/o0Mardev/android_device_oppo_OP4B9B

cph2001 cph2021 oppo oppo-a91 oppo-f15 twrp twrp-device-tree twrp-recovery

Last synced: about 2 months ago
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Unofficial TWRP for OP4B9B devices

• Host: GitHub
• URL: https://github.com/o0Mardev/android_device_oppo_OP4B9B
• Owner: o0Mardev
• Created: 2022-08-26T11:01:37.000Z (over 2 years ago)
• Default Branch: main
• Last Pushed: 2023-10-29T17:10:48.000Z (about 1 year ago)
• Last Synced: 2024-07-30T20:57:20.034Z (5 months ago)
• Topics: cph2001, cph2021, oppo, oppo-a91, oppo-f15, twrp, twrp-device-tree, twrp-recovery
• Language: Makefile
• Homepage:
• Size: 86.3 MB
• Stars: 4
• Watchers: 3
• Forks: 5
• Open Issues: 1
• Metadata Files:
  • Readme: README.md

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README

        
Unofficial TWRP for Oppo A91 (CPH2021) running Android 11. \

This recovery works also on the Oppo F15 (CPH2001) as it's a rebranded A91. \

IMPORTANT it appears that recovery does not work on the PCPM00 model.

For more informations consults the [xda forum](https://forum.xda-developers.com/t/recovery-unofficial-twrp-for-oppo-a91.4600477/)

### Specifications

https://m.gsmarena.com/oppo_a91-10000.php

### Working

- ADB

- MTP

- External SD Card

### Issues

- Decryption

- OTG (Not yet tested)



### Installation

Since this phone has fastboot disabled it is necessary to use alternative tools. I recommend using [MTKClient](https://github.com/bkerler/mtkclient). \

Just unzip the file and flash the TWRP to the recovery partition.



### How to build

Use the minimal manifest twrp aosp 11 [here](https://github.com/minimal-manifest-twrp/platform_manifest_twrp_aosp/tree/twrp-11) \

Clone this repository as it is the device tree.

and use these commands:

```

source build/envsetup.sh

export ALLOW_MISSING_DEPENDENCIES=true

lunch twrp_OP4B9B-eng

export TW_DEVICE_VERSION

mka -j$(nproc --all) recoveryimage

```