ROM from COOL1 on LeRee Le3

[Poziomek]

Can I install ROM from Cool1 on LeRee Le3? I was looking for custom rom for LeRee Le3 and I didn't find. This phone works very slow on stock ROM. I have Letv X526 with the same parameters and it works fastly.

 

[SubwayChamp]

Can I install ROM from Cool1 on LeRee Le3? I was looking for custom rom for LeRee Le3 and I didn't find. This phone works very slow on stock ROM. I have Letv X526 with the same parameters and it works fastly.

No one who didn´t try can answer you for sure.
As a rule No 1 you can´t flash a rom from other device onto a similar not even almost identical device.

Stock roms contains critical files from sensitive partitions that can perma-brick your device but with custom roms could be slightly different although a kernel from other device can soft/hard brick yours.

Despite you could install it you may expect a lot of issues cause it was builded for other device.

Said that if you want to take the risk you need to do the next before:
- Backup most important data.
- Download a stock/factory rom for your device if you need to restore it.
- Unlock bootloader.
- If you are going to flash a stock rom, flash only system, userdata partitions and the boot image you need to port it and keep the same kernel to avoid brick it.

Best you can do is search for a custom rom from a similar device and learn/read and try to port it for your device at least in the case that you can´t build it from the source for various reasons..
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[nvenezuela]

Yes you can