relock bootloader

I recently rooted my device(11t pro) and installed eu rom instead of global, but I regretted it because many apps are no longer available on Google play and I can't use Google wallet anymore. How can I go back to the stock rom and unroot my device I used this video to root or unlock And this...

Hello there I am using xiaomi 11t pro and about month or two ago I decided to unlock bootloader and switch from stock rom(I think it was global) to eea rom. I want to revert back to stock global rom and lock my bootloader to the default state. I've read a bunch of tutorials from different...

Greetings, i have been researching this exact topic for a while and would like to know if anybody here has actually tried it and what the outcome was as afaik, doing so in Google Pixel devices automatically whitelists the signature of the custom rom, allowing it to boot in the yellow state.

Good Morning from Bavaria everbody, I'm flashing Xiaomi phones since ages now but this is the first time, I want to go back to delivery status because I want to sell my phone. At the moment I'm on xiaomi.eu ROM 12.5 and I want to flash the original global firmware and relock the phone. With...

Hi, I'm hoping someone can help me out. I just bought a 2nd hand Xiaomi Note 5 and have a couple of problems 1)Google Play "Device is not certified" 2) Safety Net test fails. CTS profile match:false Advice: LOCK_BOOTLOADER I don't know what this means and I don't know how to fix it. I...

Hi everyone, Its possible to relock bootloader for Mi 11 after flashed Xiaomi.eu Rom stable? And how?