No, OEM software / OS updates should not lock the phone. However, in the event that the phone does lock again, the customer can reuse the original lock code already purchased to unlock the phone.
When using a Factory or Manufacturer unlock method the code is acquired directly from the Factory or Manufacturer of the handset (e.g. HTC, LG). This method is usually more expensive but delivers 95% of orders successfully.
When using a Carrier / Network unlock method the unlock code is acquired directly from the Carrier / Network (e.g. AT&T, T-Mobile). When you purchase your unlock code with us, we will have the ability to waive some of the eligibility requirements. This method is usually the cheapest, but it only delivers, on average, 75% of orders successfully, the remaining 25% must then be acquired through Factory / Manufacture method.
Yes. If you unlocked a device that was assigned to network named “ABC”, it will still work flawlessly on ABC.
Some troubleshooting to do before redoing the process.
Must Update to the latest OS = Android 7.0 or latest (for most devices)
Update the Play store & Device Unlock App [Latest Version].
Some other Troubleshooting for APP Unlock FAILED message:
1) Try doing a hard reset (memory reset) so the cache of device is clear and also try taking out / swapping sim cards if possible.
2) APP unlock “fail”: We found a fix if anyone else complains of the unlock “failing”. It looks like the app remembers the last attempt of the unlock or remembers the last “invalid sim” entered in the phone and will stay in the “failed” response until the app is cleared:
How to do that?
- app manager
- look up “device unlock” in app manager
- clear cache
- also clear data.
- exit out.
Now restart device unlock app and the unlock will complete without errors! as always thanks for the support hope this helps future customers problems/questions.
If this still doesn’t work, we will work on further troubleshooting instructions