After updating to android 9 Airtel mobile network isn't stable at all ,I tried various apn settings switched to different Airtel sim but problem remains.after turning on I can't switch off mobile data and it's so unstable it's so slow where redmi gives 5-8 mb/s it give speed in kbs . sometimes work fine for 2-3 minutes than again go down for 10 minutes ..it's such a pain in ass.
Hi, Please try the troubleshooting tips below: 1. Take out the sim cards> Insert the empty sim port to the end>Re-insert the sim port with sim card 2. Please try reset Network: Settings>System>Reset options>Reset Wi-Fi, mobile & Bluetooth 3. Please try to enter "Safe Mode". If the function works well in Safe Mode yet the issue remains out of Safe Mode, please check on any disturbance from the installed 3rd party apps. # How to enter and exit "Safe Mode" https://www.asus.com/support/FAQ/1005163/ 4. Also, please try "the Factory Reset" after backing up all the data. Settings>System>Reset options>Erase all data(factory reset) Please note that once the Factory Reset is completed, all data, apps, settings and personal information will be deleted. 5. If the issue persists after troubleshooting above, please check your SMMI test: Calculator> type ".12345+=">SMMI TEST>Single Test>SIM Signal Test If any of the SMMI tests fails, indicating high possibility of faulty hardware, kindly bring your device to the nearest ASUS repair center for device checking: https://www.asus.com/in/support/Service-Center/India If it is impossible to access the service center during Covid-19 period, please try Call us: https://www.asus.com/support/CallUs