After I soft bricked my Android, why isn't my CWM working properly again?

A

AC Question

I soft bricked my Android and my CWM is not working properly again

My rooted Tecno F7 have been working fine for over a year before suddenly the screen started freezing and it starts rebooting over and over again on its own and sometimes it just gets stuck on the booting logo. I went back to some of the backups i made but the problem still persists after working for a while. I flashed different custom roms, it works for a day or two and starts the same thing. When I was beginning to think its a screen problem now the CWM is not working well anymore and I don't know how to get it up and running again. I can still boot to the recovery but anything i tried to do it it starts with error and can't complete it either to restore or flash a new rom. If I try advanced restore I can flash boot but not system and it starts the error msgs again. Please kindly help.