[Samsuzzaman Ahmed]

Whats wrong with lumia phone with 8.1 OS. Again and again error code. Becoming mad :( :( :(

[charlatan1978]

Hi, what phone do you have and when do you get the error code?
Also have you tried a soft reset of the phone? (hold down volume down and power button until phone vibrates/reboots)

[Samsuzzaman Ahmed]

Yes i tried soft reset

[silentFan]

You need to post more on when u receive the error and their codes for help. Else just hard reset.

[charlatan1978]

what phone do you have and when do you get the error code?

Hi, are you able to provide this?
As mentioned above a hard reset is also a good option.
Just be sure to make a back up, as the device is wiped during the procedure.

[Chintan Gohel]

Yes i tried soft reset

error with what? SD card, updating, using apps etc

We need more info to help you better