Why is my phone restarting

@imamhasan could be software issue. Make sure you have updated your software. If that has not helped, place your phone in safe mode and see if it still restarts. To do so, power off your phone. Then press and hold on to the power button until realme logo seems. Now, when you see the realme animation logo screen then quickly press and hold the volume down button and power button until your device reaches the power-on process IF so, then it is possible that this is a power issues. Start off by replacing the battery.

Since iFixit does not yet have a specific guide for that, use something like this video Replacement batteries are readily available at many online stores.

While you work on your phone, take lots of pictures. Once you are done with it, take those pictures and create a guide for iFixit. That will help the next person that has a device with the same issues as you do. It's easy and fun to create these guides. https://ifixit.com/Guide/new The iFixit community will appreciate this.

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