Hello everyone, I know that many on this forum have many desires for this phone, such custom kernel, root, gsi, twrp.
Let's get started:
How to install root access on RMX3261/3262/3263
1. Download stock ROM version 97: Download and extract .pac file from it Link
2. Install SPD research tool and it's drivers: GDrive
3. Open it
4. Click on single gear icon
5. Select stock rom's .pac file
6. Wait until it loads
7. Click on two gears icon
8. Find BOOT in list
9. Right click on path near it
10. Download from here Boot and Select
11. Click OK then click arrow icon
12. Turn off your phone
13. Hold Power + VolumeDown until you see "Downloading" text
14. After you see it, release buttons
15. Wait until you see "Passed" text
16. Click stop icon, disconnect your phone and power it on
How to install custom ROM || GSI
As everyone knows, unlocking bootloader on this device is impossible. But you can modify the BOOT partition to make 3261/3263/3263 boot GSIs
So what you need to do:
Firstly, you need to unlock fastbootd:
1. Download stock ROM version 91: Download and extract .pac file from it Link
2. Install SPD research tool and it's drivers: GDrive
3. Open it
4. Click on single gear icon
5. Select stock rom's .pac file
6. Wait until it loads
7. Click on two gears icon
8. Find BOOT in list
9. Right click on path near it
10. Download from here and Select boot_r1.img
11. Click OK then click arrow icon
12. Turn off your phone
13. Hold Power + VolumeDown until you see "Downloading" text
14. After you see it, release buttons
15. Wait until you see "Passed" text
16. Click stop icon, disconnect your phone and power it on
Now you have unlocked fastbootd so you can flash ROMs:
1. Install ADB fastboot drivers from here: GDrive
2. Download your GSI and extract it to .img file
3. Enable USB debugging on your phone and connect it to pc
4. Open adb platform tools
5. type adb reboot fastboot and hit enter
6. Wait until phone reboots into fastbootd mode
7. Type fastboot flash system "path to GSI" and hit enter.
8. If you get error "Not enough space to resize partition" type fastboot delete-logical-partition product_a and hit enter
9. When it finished Type fastboot erase userdata and hit enter
10. When it finished Type fastboot reboot and hit enter
11. Enjoy using a custom ROM
How to unbrick if ROM doesn't boot:
perform same steps like when you unlock fastbootd
Bugs in GSI
A12/A13
1. Overlay(Brightness fix): install this magisk module GDrive
2. Bluetooth audio can interrupt when wifi is turned on
3. Use Footej Camera if no sound in video recording
A13 only
Videocodec fix
Replacing the stock codec On a Vulcan GDrive - this is a magisk module
This is a module magisk made by me and my colleagues in 4pda
For all questions, write to the topic.
Let's get started:
How to install root access on RMX3261/3262/3263
1. Download stock ROM version 97: Download and extract .pac file from it Link
2. Install SPD research tool and it's drivers: GDrive
3. Open it
4. Click on single gear icon
5. Select stock rom's .pac file
6. Wait until it loads
7. Click on two gears icon
8. Find BOOT in list
9. Right click on path near it
10. Download from here Boot and Select
11. Click OK then click arrow icon
12. Turn off your phone
13. Hold Power + VolumeDown until you see "Downloading" text
14. After you see it, release buttons
15. Wait until you see "Passed" text
16. Click stop icon, disconnect your phone and power it on
How to install custom ROM || GSI
As everyone knows, unlocking bootloader on this device is impossible. But you can modify the BOOT partition to make 3261/3263/3263 boot GSIs
So what you need to do:
Firstly, you need to unlock fastbootd:
1. Download stock ROM version 91: Download and extract .pac file from it Link
2. Install SPD research tool and it's drivers: GDrive
3. Open it
4. Click on single gear icon
5. Select stock rom's .pac file
6. Wait until it loads
7. Click on two gears icon
8. Find BOOT in list
9. Right click on path near it
10. Download from here and Select boot_r1.img
11. Click OK then click arrow icon
12. Turn off your phone
13. Hold Power + VolumeDown until you see "Downloading" text
14. After you see it, release buttons
15. Wait until you see "Passed" text
16. Click stop icon, disconnect your phone and power it on
Now you have unlocked fastbootd so you can flash ROMs:
1. Install ADB fastboot drivers from here: GDrive
2. Download your GSI and extract it to .img file
3. Enable USB debugging on your phone and connect it to pc
4. Open adb platform tools
5. type adb reboot fastboot and hit enter
6. Wait until phone reboots into fastbootd mode
7. Type fastboot flash system "path to GSI" and hit enter.
8. If you get error "Not enough space to resize partition" type fastboot delete-logical-partition product_a and hit enter
9. When it finished Type fastboot erase userdata and hit enter
10. When it finished Type fastboot reboot and hit enter
11. Enjoy using a custom ROM
How to unbrick if ROM doesn't boot:
perform same steps like when you unlock fastbootd
Bugs in GSI
A12/A13
1. Overlay(Brightness fix): install this magisk module GDrive
2. Bluetooth audio can interrupt when wifi is turned on
3. Use Footej Camera if no sound in video recording
A13 only
Videocodec fix
Replacing the stock codec On a Vulcan GDrive - this is a magisk module
This is a module magisk made by me and my colleagues in 4pda
For all questions, write to the topic.
Last edited:
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