spunlock showing imei error when i enter imei

[syms]

i entered imei correctly but it says imei error. i had unlocked the phone now i need repair imei (not all networks working), but when i entered imei it sayd imei error. i entered imei from *#06# and it dont work. i entered original imei but it dont worked too. what i need to do?

[syms]

please help me. what imei i need enter? original imei (writed in backside of phone) dont works, it shows IMEI_Error. does i do somethink wrong? or it is impossible to repair phone in spunlock unlocker?