Hi,

I have this Samsung A510F with FRP lock on. I used Factory Services - Reset FRP, but after restart FRP lock is still on. 

Log here:

Octoplus Samsung Factory Services v.2.7.7
-----------------------------------------------------------------------
Connecting to server..OK
Username: iflorinus75
Authorization..OK
Checking smart card...
Smart card successfully checked.
Checking balance..OK
Your balance: 200 credits.
Requesting history..OK
History not found!
Requesting service status..OK
Service status successfully obtained!
-----------------------------------------------------------------------
Selected interface: USB
Searching for device. Please wait...
Waiting for device...
Device was not found!
Could not read info
-----------------------------------------------------------------------
Selected interface: UART
Note: Type *#0*# on the phone and connect UART cable.
Searching for device. Please wait...
Found device on COM29
Reading info...
Device model: SM-A510F
Device IMEI: 35776507946629
MSL address: R58H73VQQM
FRP/Reactivation: LOCK
Connecting to server..OK
Username: iflorinus75
Authorization..OK
Checking smart card...
Smart card successfully checked.
Checking balance..OK
Your balance: 200 credits.
Sending device information..OK
Checking operation...OK
Checking data..OK
Reading FRP/Reactivation lock data..OK
Sending request to server..OK
Reseting FRP/Reactivation lock..OK
Reset FRP/Reactivation Successfully!
To finish Reset FRP/Reactivation operation please reboot the device manually!
Performed by 2.7.7.4 Software version.
-----------------------------------------------------------------------------------
Platform: Samsung Android
Selected port: COM28
Selected model: SM-A510F
Operation: Read info
Reading info, please wait...
Proper android device not found. Make sure that "USB debug" option on 
the device is turned on.
Performed by 2.7.7.4 Software version.
Connecting to server..
Username: iflorinus75
Authorization..
Checking smart card...
Smart card successfully checked.
Checking balance..
Your balance: 0 credits.
Requesting history..
History successfully obtained!
Requesting service status..
Service status successfully obtained!
Performed by 2.7.7.4 Software version.
Selected interface: UART
Note: Type *#0*# on the phone and connect UART cable.
Searching for device. Please wait...
Found device on COM29
Reading info...
Device model: SM-A510F
Device IMEI: 35776507946629
MSL address: R58H73VQQM
FRP/Reactivation: LOCK
Connecting to server..
Username: iflorinus75
Authorization..
Checking smart card...
Smart card successfully checked.
Checking balance..
Your balance: 0 credits.
Sending device information..
Checking operation...
Too low balance to provide the security operation!
Your balance: 0 credits. Needed: 200 credits.
Performed by 2.7.7.4 Software version.



Software version A510FXXS5CRD1 - Android 7.0

What to do next?