Samsung Galaxy S25
It's not possible to turn on my phone
Solution 2 of 3: Your phone doesn't turn on correctly
See how to turn your phone on and off. To use mobile network services on your phone, you need to insert your SIM into your phone.
Press and hold the Side key until your phone is turned on.
If you're asked to key in your PIN, do so and press OK. The default PIN is 1111.
Simultaneously, press and hold the Side key and the lower part of the Volume key.
Press Power off.
Press Power off.