Meizu M2 Note M571c from china telecom , How to unlock CDMA slot 1 ????? Please

hi , i can’t use the slot 1 message " please insert uim china telecom " , how i can solve this , i’am in Flyme os 5 Q version from china telecom , and it impossible to change it on any other version

@Rey , yes i tiered thé three méthode to flash it , but no way


@zahirzh then the device is deeper modified than it should be. Nothing I can help with. Sorry :(

Looks like your connection to Meizufans was lost, please wait while we try to reconnect.