Lg LM-G820UM att unlock done, bat only 2g work, ot 4G,can't call? [Answered]

[jingling56]

Kernel version: 4.14.117-perf+ (lgmobile@MCSBS10R27) (clang version 8.0.11 for Android NDK) #1 SMP PREEMPT Tue Mar 2 10:45:11 KST 202
Android version: 10
Hardware: Qualcomm Technologies, Inc SM8150 AArch64 Processor rev 14 (aarch64)
Target operator: ATT
Connecting to server 0...Failed!OK
Connecting to server 1...OK
Octopus smart card is present.
Checking smart card...OK
Username: jingli****908
Authorizing...OK
Checking balance...OK
Checking operation...OK
Sending device information...OK
Get credits, needed for current operation...OK
Your balance: 190 credits.
To perform "Unlock" operation you need to have 100 credits.
Sending loader...
Prepairing for change protect status...OK
Reading QCN...
Send SPC...OK
Reading Mobile Property...OK
Reading Feature Mask...OK
Reading Roaming List 0...OK
Reading NV_Numbered Items...OK
Reading NV_Numbered SIM1 Items...OK
Reading NV_Numbered SIM2 Items...OK
Reading NV Items...OK
Reading EFS...OK
Reading Provisioning Items...OK
Reading QCN done!
Backup saved to "G820UM_353816101261396_18-02-2022_14-56-02.qcn"
Switching to Download mode...OK
Initializing flash...OK
Platform: msmnile
SW version: LMG820UM1AT-01-V20x-310-410-MAR-02-2021-ARB00+0
Android version: 10
LAF Version: 1.1
Product ID: HD58S190430001869
IMEI: 353816-10-126139-6
Target operator: LAO
Hardware: rev_10
Reading partitions...OK
Reading security area...Failed!
LAF Error: 80000119.
Writing security area...
Please, put the phone in EDL Mode (Qualcomm 9008):
1. Press and hold "Vol-" and "Power" buttons.
2. As soon as the screen turns off, keep holding the "Vol-" and "Power" buttons and simultaneously press "Vol+" few times quickly.
3. Check PC Device Manager, a new device should appear "Qualcomm HS-USB QDLoader 9008".

Found port COM7
Connecting...OK
Sending loader...OK
Reconnecting phone...OK
Checking request...
Request has been successfully sent!
Obtaining response...OK
Reading partitions...OK
Resetting secutiy area...OK
Backup saved to "G820UM_353816101261396_18-02-2022_15-11-18.SEC"
Rebooting phone...OK
Switching to Normal mode...
Found model LMG820UM* ÿ at port COM4
Send SPC...OK
Writing QCN...
Writing NV_Numbered Items...OK
Writing NV_Numbered SIM1 Items...OK
Writing NV_Numbered SIM2 Items...OK
Writing QCN done!
Phone successfully unlocked!
Rebooting phone...
Performed by 3.1.7 Software version.

[jingling56]

4G can't call, 2G call work, maybe need fix qcn?

[Octopus box]

Hello.

Please insert SIM card and record a video with phone's screen, where we can see your problem and his SN/IMEI, then send us link with video we will check.