I typed in the security code for my x2-01 and it showed me 'code error' and it has not accepted any code since. I have been told that my option is to flash the phone. I dont want to flash d phone. Pls help me.

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pm area corrupted, if you are sure of the code then the two options for you are to either

take it to a software expert with software tool like cyclone box, i guarantee it can reset the pm data area

without loosing data. option two keep powered on phone for a few hours if not days depending on the wrong tries u have inputted. try code after a long period, having kept the phone on without manipulation as code counter is been
timed in rap3.