Kindly reset factory data with backup then try to it's again. If you like please accept as a solution it's help to others users also, click on 3dots in my reply section and click on accept solution. Thanks.
We regret to hear about your experience with our product. Please believe that this is not a usual occurrence.
We would request you to kindly perform the following steps to resolve your issues.
● Galaxy device auto restart issue: → Kindly use a genuine Samsung charger. We always recommend using a genuine Samsung charger for charging your device.
→ There are two methods to disable the auto restart function. 1- Tap on Settings> General management>Reset > Disable Auto restart (if enabled)> Auto restart disabled. 2- Tap on Settings> Battery and device care> Three dots> Automation> Auto restart at set times if enabled.
→ If you are facing this issue after installing any new application then uninstall that application. Tap on Settings> Apps > desired app> Uninstall> Ok.
● Galaxy device wi-fi issue: ● Check Settings: Do you get any error pop up, on connecting your device to a Wi-Fi network? Note: Any prompt that says "Authentication Error" is related to an incorrect password. Please contact your Internet Service Provider for assistance regarding changing your Wi-Fi network password.
● Forget the Network: Settings>Connections>Wi-Fi>Wi-Fi network> Tap and hold the Wi-Fi network that you're having trouble with until the menu allows you to select Forget Network.
● Restart the Router and Mobile Device: → Switch off your Router (at the wall or with the power button on the router) and wait for 2-3 minutes before switching it on. While you're waiting, press the Power button on your mobile device and select Restart. →Once the router has been successfully connected to the internet again, try to connect to your network on your mobile device. → Make sure there is no interference between the router and your mobile device. Concrete walls, fridges, and microwaves can all interrupt the Wi-Fi signal.
● Disable flight mode:→ Kindly check and disable the Airplane/Flight Mode on your device. →Check Flight Mode by swiping down notification panel on your device with two fingers to access all of the Quick Settings. →Find the Airplane/Flight mode option and turn it off.
● You can reset your device by following the steps. 1. Kindly create a data backup of your device via the SMART switch mobile application or http://www.samsung.com/in/support/smartswitch pc suite. 2. Remember the Google password before resetting the device because it is required during initial setup. 3. If you do not remember the password advice you to reset (Forgot password) your Google account.
Path: Settings> General Management.>Reset>Temporary cloud backup or External storage backup>After backup tap on Factory data reset to reset your device to its factory default settings. This will erase all data, including files and downloaded apps.
In case the issue still occurs, please visit the service center for a physical inspection of your device. You can locate your nearest service center with this given link: https://www.samsung.com/in/support/service-center/
