S5 IMEI null and Service mode blank

Hello,

I have this problem with my phone and i don't know how to fix it, the IMEI is Null and when i enter "*#0011#" the ServiceMode is Blank !!
I tried to use GS5_EFS_Backup but it doesn't work ! Also the phoe get hot a lot, and when i put it in charge the battery level of charge is stuck in 10% always.
My phone is rooted.
Help me Please.
Thank you

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