You’re connected to wifi, and no matter what website you visit and how many apps you open, nothing works. You try to figure out what’s going on and find that your Wi-Fi icon has an exclamation mark, ...

Encountering Android Error 21 can interrupt your device's functionality, leading to frustration and confusion.

Jon has been an author at Android Police since 2021. He primarily writes features and editorials covering the latest Android news, but occasionally reviews hardware and Android apps. His favorite ...

Fix the 'No SIM Card Detected' error on Android with 15 proven solutions. Quick fixes, eSIM troubleshooting, and when to get a replacement SIM.