error -1 g975u when I try to read codes, and my credits gone

Question

error -1 g975u when I try to read codes, and my credits gone

Reading phone info...
Model: SM-G975U
Android version: 9
PDA version: G975USQS2BSIW
CSC version: G975UOYN2BSIW
Phone version: G975USQS2BSIW
Product code: SM-G975UZKAATT
CSC country code: USA
CSC sales code: ATT
Phone SN: R58M41NL1PV
IMEI: 356021101328264
HW version: REV1.0
RF cal date: 2019.04.06
Chip name: SM8150
Modem board: SM8150
Security patch: 2019-11-01
Boot Warranty bit: 0
SIM State: ABSENT
Rebooting phone... OK
Waiting ADB device... OK
Waiting for device to become ready... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Searching server... OK
Waiting for server answer... OK
Calculating... error (1)
Reboot phone and try again.
Check ADB drivers, USB cable. Don't use USB Hubs
If this repeated then reflash phone and make factory rese

asked Dec 13, 2019 in General questions by javiertb9 (170 points)

error -1 g975u when I try to read codes, and my credits gone

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1 Answer

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