I went back from my second try with android 7 rom on my phone. This time I can't get the sim card to be recognised: when I boot into the official global developer flashed by Miflash i get stuck in the initial configuration when it looks for the Mi account, with a message regarding the device ID not found, and it has to be a MAC or IMEI. Also no sim detected in the status bar. When I restore my (once) perfectly fine xiaomi.eu rom via twrp, the phone works fine, altough strangely laggy, and I have no SIM detected. In TWRP I have issues restoring the EFS partition that i read it has to do with these issues. What should I do? follow this guide? http://en.miui.com/forum.php?mod=viewthread&tid=299779&highlight=redmi+3+imei In the while i try flashing the global dev with miflash again.