There are quite a few reasons which may cause the software update to end up causing the phone to start just halfway through and get stuck.
When a software update does not finish properly, you may face the problem of being stuck in the boot loop. As a result, the phone won’t turn on or ends up stuck in a boot loop where it goes just as far as the logo and then stubbornly sits on that screen or turns off only to start again and go as far as the logo and repeat the same thing. When we try these customizations to make our devices even better, there are times when something may go wrong.
Android software can be easily manipulated and customized.
Some of our users reported that they faced this problem when they tried to tinker with the software.