UPDATE ▶▶ I’ve update the Nusantara OS link. Now support Android 10, 11, 12, 12L. Check the link bellow
This is tutorial How to update your Realme C2 (RMX 1805EX) to Android 11 using Nusantara OS Custom ROM (Magisk Root) using custom recovery. And also quick review about the ROM (camera, sound & video, GPS, Magisk, etc)
Table of Contents
- Things You should Know
- Video Tutorial
- Update Color OS UI to Realme UI
- Unlock bootloader
- Files
- Instruction To Flash custom ROM
Things You should Know
- Use at your own risk! I am not responsible for your actions
- Take IMEI Backup !! Store backup on pc/sdcard (nvram, nvdata, nvcfcg)
- Update to Realme UI if you came form color OS UI (check the instruction)
Video Tutorial
The video tutorial is using Nusantara OS, if you use other custom ROM just replace the Nusantara OS with other custom ROM
Update Color OS UI to Realme UI
Color OS UI to Realme UI : RMX1941costormuic57.zip
- Flash COS TWRP
- Move the files to SD Card or OTG
- Format data in TWRP (wipe > bottom right > type yes)
- Go to install in TWRP
- Install the zip. (Do not Reboot!)
- Install stock rmui recovery as recovery (if you skipped above step dont worry recovery included in zip)
- Reboot to stock recovery
- Wipe data & reboot.
Unlock bootloader
- adb reboot bootloader
- fastboot flashing unlock
Files
- Nusantara OS (Support Android 10, 11, 12, 12L)
- Custom Recovery for Realme UI : PBRP-RMX1941-3.0.0-20210228-2328-UNOFFICIAL.zip
- vbmeta Realme UI : vbmeta10.img
- Stock Recovery Realme UI : recoveryrmuic57.img
- Custom Recovery for color OS : PBRP-RMX1941-3.0.0-Unofficial.img
- vbmeta for color OS: vbmeta.img
- Stock Recovery for color OS: Stockrecovery.img
Instruction To Flash custom ROM
- fastboot flash recovery recovery.img
- fastboot flash vbmeta vbmeta.img
- fastboot oem reboot-recovery
- fastboot reboot recovery
- backup efs, nvdata, nvram, nvcfg
- Format data
- Flash Decrypt
- Wipe system, dalvik, cache & data
- Flash rom
- Install gapps + magisk (optional)
- Reboot
Where is the Nusantara zip rom file (Nusantara_v3.1-11-RMX1941-30072021-UNOFFICIAL) that you use in your video? Why is it not here and not available to download, can you upload that file please?
You also forgot to add the download link for RMC2decryption.zip.
For anyone who wants to download it, you can download it here https://sourceforge.net/projects/rnx1941/files/RMC2decryption.zip/download
Seems that i accidentaly delete the ROM link. it has been update sory