It generates codes that won't "hard-lock" your phone (which happens after too many incorrect attempts).
If you are still rocking the classic —a reliable, budget-friendly handset originally released for the SFR network—you might find yourself feeling a bit "locked in." While the phone is a workhorse for basic calls and texts, its network lock prevents you from switching to a more affordable carrier or using a local SIM card while traveling. zte sfr 101 unlock code calculator extra quality
Most ZTE phones allow only 5 to 10 attempts to enter the code. If you have already tried random numbers, stop immediately. If the phone says "Locked Permanently," a calculator will no longer help. It generates codes that won't "hard-lock" your phone
Remove the battery from your ZTE SFR 101. The IMEI is printed on the white label underneath. Step-by-Step Guide to Unlocking the ZTE SFR 101 If you have already tried random numbers, stop immediately