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Originally Posted by Small_boy  Any intelligent gentleman or lady can enlighten me wat [PM auth] is use for? Thanks! will there be any credit deducted? |
If you have contact service or contact retailer phone with demaged pm area, you can write full pm (0-315). But before you must to make sx4 auth (pm auth) to enable writing into protected pm area.
For ex: if you have security error, or sim lock failed at selftest, you can try this usefull solution to repair demaged phone.