Samsung S4 turns on and immediately turns off, I can't backup data before the firmware?

Question

Android

Good evening!
Samsung S4 turns on and immediately turns off, googled the problem, they say it is necessary to reflash, as far as I understand, the data will be deleted during the reflashing, i.e. to save them you need a working phone. I'll try to flash it for the first time with firmware https://4pda.ru/forum/index.php?act=search&source=... I'll try to reflash via odin. Those. In this case, should I reflash or try to somehow extract the data? And how to reflash if it does not turn on?
Thank you!

Answer 1

If you flash the device, then all user data will be deleted.
You need to try the following options:
- With the charging connected, does the device turn off?
- Does the device turn off with another battery?
- Did the device turn off by itself or after falling or getting into water or something else?
If contacts are important, you can insert a SIM card into another device and see if there is something important or not.