Any code doesn't work in S21FE 888 version

[Sunilyadav97]

I have tried many secret code from begning in my phone but still any code doesn't work plzz give me solution. 

[Anonymous]

Turnoff auto blocker.USSD doesnot works while Auto Blocker is on

[DINKAR_A34_5G]

Go to Settings > Security and privacy > Auto Blocker > Turn it Off.

[ヅFedron]

Does *#0*# works

[goodthings]

Please go to setting, click security and privacy and click Auto Blocker and turn off Auto Blocker immediately then try to it's again also turn on Auto Blocker again after use this code or any other code for your's device security. If you like please accept as a solution it's help to others users also, click on 3dots in my reply section and click on accept solution. Thanks.

[goodthings]

Your's most welcome to here.