Samsung S5 SM-G900F Null imei and unknown Baseband

[DenisJanuzi]

Greetings guys i have a problem with this s5 has no imei null imei and unknwon baseband can someone please help me fiix it i did this solutions none of them worked showed me some kind of errors using z3x

also phone keeps restarting



Waiting ADB device... OK
Reading phone info...
Model: SM-G900F
Android version: 4.4.2
Product code:
Phone version:
PDA version: G900FXXU1ANE2
CSC version: G900FVIR1AND2
CSC country code: UK
CSC sales code: VIR
HW version:
Phone S/N:
Modem board:
RF cal date:
IMEI:
Checking Super user right... true
Backuping MMCBLK... OK
Reading ID... OK
Detected ID: 00000FF3 (MSM8974)
SW Version:
Reading ESN... error

Done with Samsung Tool PRO v.22.0[/QUOTE]

also when i write imei i get this error

Checking certificate file... OK
KEY ID: 0478
Waiting ADB device... OK
Reading phone info...
Model: SM-G900F
Android version: 4.4.2
Product code:
Phone version:
PDA version: G900FXXU1ANE2
CSC version: G900FVIR1AND2
CSC country code: UK
CSC sales code: VIR
HW version:
Phone S/N:
Modem board:
RF cal date:
IMEI:
Initialization AT RIL... error
Done with Samsung Tool PRO v.22.0

any idea what should i do please