LG K51 K500UM Unlock problem [Solved]

[juancar273]

Hi, i tried to unlock this phone but something went wrong, this is the log:

17/06/2022 04:51:42 p. m. > Selected USB connection type
17/06/2022 04:51:43 p. m. > Transport: Connected
17/06/2022 04:51:45 p. m. > Authorized.
17/06/2022 04:51:47 p. m. > Work ID: 00000000017DB237
17/06/2022 04:51:47 p. m. > Checking data...17/06/2022 04:51:48 p. m. > OK
17/06/2022 04:51:48 p. m. > Platform: LG MTK
17/06/2022 04:51:48 p. m. > Selected port:
17/06/2022 04:51:48 p. m. > Selected baudrate: 921600
17/06/2022 04:51:48 p. m. > Selected model: K500UM
17/06/2022 04:51:48 p. m. > Please, select Unlock Method!
17/06/2022 04:51:50 p. m. > Selected Unlock via wipe security
17/06/2022 04:51:50 p. m. > Connecting to phone...
17/06/2022 04:51:51 p. m. > Power OFF phone, press and hold "Vol+" for 10 seconds and connect USB cable.
17/06/2022 04:51:55 p. m. > Phone found at port COM8
17/06/2022 04:51:55 p. m. > Mode: Emergency
17/06/2022 04:51:55 p. m. > Initializing flash...17/06/2022 04:51:58 p. m. > OK
17/06/2022 04:51:59 p. m. > Model ID: LM-K500UM
17/06/2022 04:51:59 p. m. > Platform: mt6765
17/06/2022 04:51:59 p. m. > Code name: mdh30xlm
17/06/2022 04:51:59 p. m. > Android version: 11
17/06/2022 04:51:59 p. m. > SW version: LMK500UMT3AT-01-V20i-310-260-MAR-16-2022-ARB00+0
17/06/2022 04:51:59 p. m. > LAF Version: 1.1
17/06/2022 04:51:59 p. m. > Product ID: WI22S201221003338
17/06/2022 04:51:59 p. m. > IMEI: 356240-97-247092-8
17/06/2022 04:51:59 p. m. > Target operator: LAO
17/06/2022 04:51:59 p. m. > Hardware: rev_10
17/06/2022 04:51:59 p. m. > Battery level: 57%
17/06/2022 04:51:59 p. m. > Reading partitions...17/06/2022 04:51:59 p. m. > OK
17/06/2022 04:51:59 p. m. > LAF Error: 80000119.
17/06/2022 04:52:00 p. m. > Checking security...17/06/2022 04:52:00 p. m. > OK
17/06/2022 04:52:00 p. m. > Reading is Blocked!
17/06/2022 04:52:00 p. m. > --------------------------------------------------------------------------------
17/06/2022 04:52:00 p. m. > IMEI: 356240-97-247092-8
17/06/2022 04:52:00 p. m. > MEID: Bad
17/06/2022 04:52:00 p. m. > Bluetooth address: Unknown
17/06/2022 04:52:00 p. m. > Wi-Fi MAC address: Unknown
17/06/2022 04:52:00 p. m. > --------------------------------------------------------------------------------
17/06/2022 04:52:00 p. m. > Checking operation...
17/06/2022 04:52:02 p. m. > Execute : 0x00A7
17/06/2022 04:52:02 p. m. > Writing cmd...
17/06/2022 04:52:02 p. m. > reading cmd...
17/06/2022 04:52:02 p. m. > Read: EXEC...
17/06/2022 04:52:02 p. m. > Trying second method...
17/06/2022 04:52:02 p. m. > Checking Resource File...
17/06/2022 04:52:05 p. m. > Check FTP file List
17/06/2022 04:52:05 p. m. > FTP file List is obtained!
17/06/2022 04:52:05 p. m. > Downloading...
17/06/2022 04:52:18 p. m. > Please, select method to perform "Unlock" operation.
17/06/2022 04:52:26 p. m. > Selected NOV 2021
17/06/2022 04:52:26 p. m. > Switching to Brom mode...
17/06/2022 04:52:26 p. m. > Sending signature...
17/06/2022 04:52:26 p. m. > Writing boot...
17/06/2022 04:52:31 p. m. > Connecting to server 0...17/06/2022 04:52:32 p. m. > OK
17/06/2022 04:52:32 p. m. > Octopus smart card is present.
17/06/2022 04:52:32 p. m. > Checking smart card...17/06/2022 04:52:37 p. m. > OK
17/06/2022 04:52:37 p. m. > Username: oct_sn54WdS
17/06/2022 04:52:37 p. m. > Authorizing...17/06/2022 04:52:38 p. m. > Failed!
17/06/2022 04:52:38 p. m. > Login error: Wrong password!
17/06/2022 04:52:38 p. m. > Performed by 3.1.9 Software version.
17/06/2022 04:52:38 p. m. > Elapsed Time: 12:00:55 a. m.

In this moment the phone stuck in MTK Port, i tried pressing power button 15s, 30s and the phone doesn't reboot, also tried disconnecting the battery and doesn't work. I tried unlocking the phone with the port generated and it say unlocked but the phone doesn't restart.

17/06/2022 05:37:51 p. m. > Selected USB connection type
17/06/2022 05:37:52 p. m. > Transport: Connected
17/06/2022 05:37:53 p. m. > Authorized.
17/06/2022 05:37:54 p. m. > Work ID: 0000000001902764
17/06/2022 05:37:54 p. m. > Checking data...17/06/2022 05:37:55 p. m. > OK
17/06/2022 05:37:55 p. m. > Platform: LG MTK
17/06/2022 05:37:55 p. m. > Selected port:
17/06/2022 05:37:55 p. m. > Selected baudrate: 921600
17/06/2022 05:37:55 p. m. > Selected model: K500UM
17/06/2022 05:37:55 p. m. > Checking Resource File...
17/06/2022 05:37:58 p. m. > Check FTP file List
17/06/2022 05:37:59 p. m. > FTP file List is obtained!
17/06/2022 05:37:59 p. m. > Connecting to server 0...17/06/2022 05:38:00 p. m. > OK
17/06/2022 05:38:00 p. m. > Octopus smart card is present.
17/06/2022 05:38:00 p. m. > Checking smart card...17/06/2022 05:38:05 p. m. > OK
17/06/2022 05:38:05 p. m. > Username: oct_sn54WdS
17/06/2022 05:38:05 p. m. > Authorizing...17/06/2022 05:38:07 p. m. > OK
17/06/2022 05:38:07 p. m. > Checking balance...17/06/2022 05:38:08 p. m. > OK
17/06/2022 05:38:08 p. m. > Checking operation...17/06/2022 05:38:10 p. m. > OK
17/06/2022 05:38:10 p. m. > Sending device information...17/06/2022 05:38:12 p. m. > OK
17/06/2022 05:38:12 p. m. > Get credits, needed for current operation...17/06/2022 05:38:13 p. m. > OK
17/06/2022 05:38:13 p. m. > Your balance: 100 credits.
17/06/2022 05:38:13 p. m. > To perform "Unlock" operation you need to have 100 credits.
17/06/2022 05:38:32 p. m. > Put the phone into Brom mode:
1. Attach testpoint as shown in Help manual.
2. Connect USB cable.
3. Release testpoint after 3-5 seconds.
17/06/2022 05:38:55 p. m. > Found port COM10
17/06/2022 05:38:55 p. m. > Detecting Chip Version...
17/06/2022 05:38:55 p. m. > Platform: MT6765: 0766.0000
17/06/2022 05:38:55 p. m. > HW version: 8A00.CA00.0000.0000
17/06/2022 05:38:55 p. m. > Connecting...
17/06/2022 05:38:55 p. m. > Target config: 00E5
17/06/2022 05:38:55 p. m. > Brom Version: 05
17/06/2022 05:38:55 p. m. > BootLoader Version: FE
17/06/2022 05:38:55 p. m. > Disabling protection...
17/06/2022 05:38:55 p. m. > Reconnecting phone...
17/06/2022 05:38:55 p. m. > Detecting Chip Version...
17/06/2022 05:38:55 p. m. > Platform: MT6765: 0766.0000
17/06/2022 05:38:55 p. m. > HW version: 8A00.CA00.0000.0000
17/06/2022 05:38:55 p. m. > Target config: 00E0
17/06/2022 05:38:56 p. m. > Prepairing loader...
17/06/2022 05:38:56 p. m. > Sending loader...
17/06/2022 05:38:56 p. m. > DA send successfully
17/06/2022 05:38:56 p. m. > Executing loader...
17/06/2022 05:38:56 p. m. > Synchronizing with loader...
17/06/2022 05:38:57 p. m. > Device status: SYNC
17/06/2022 05:38:57 p. m. > Device status: brom
17/06/2022 05:38:57 p. m. > Initializing flash...
17/06/2022 05:38:58 p. m. > Initializing flash...
17/06/2022 05:38:58 p. m. > Sending loader...
17/06/2022 05:38:58 p. m. > Device status: SYNC
17/06/2022 05:38:58 p. m. > Reading info...
17/06/2022 05:38:58 p. m. > EMMC rpmb size: 4 Mb
17/06/2022 05:38:58 p. m. > EMMC boot1 size: 4 Mb
17/06/2022 05:38:58 p. m. > EMMC boot2 size: 4 Mb
17/06/2022 05:38:58 p. m. > EMMC gp1 size: 0 Mb
17/06/2022 05:38:58 p. m. > EMMC gp2 size: 0 Mb
17/06/2022 05:38:58 p. m. > EMMC gp3 size: 0 Mb
17/06/2022 05:38:58 p. m. > EMMC gp4 size: 0 Mb
17/06/2022 05:38:58 p. m. > EMMC user area size: 29820 Mb
17/06/2022 05:38:58 p. m. > eMMC flash chip: .15010047.58364241.4209A62A.078DA7F3
17/06/2022 05:38:58 p. m. > eMMC flash chip: Unknown: GX6BAB
17/06/2022 05:38:58 p. m. > Internal RAM size: 232 Kb
17/06/2022 05:38:58 p. m. > External RAM size: 3072 Mb
17/06/2022 05:38:58 p. m. > Reading partitions...
17/06/2022 05:38:59 p. m. > Reading SUPER partition...
17/06/2022 05:39:00 p. m. > Reading info...
17/06/2022 05:39:00 p. m. > Searching Build.prop
17/06/2022 05:39:00 p. m. > Search system
17/06/2022 05:39:00 p. m. > FTPUploader: Starting upload
17/06/2022 05:39:00 p. m. > Search android
17/06/2022 05:39:00 p. m. > Search system_a
17/06/2022 05:39:00 p. m. > Getting file /build.prop
17/06/2022 05:39:00 p. m. > Start searcing...
17/06/2022 05:39:01 p. m. > Error getting File Addres!
17/06/2022 05:39:01 p. m. > Getting file /system/build.prop
17/06/2022 05:39:01 p. m. > Start searcing...
17/06/2022 05:39:02 p. m. > Brand: lge
17/06/2022 05:39:02 p. m. > Manufacturer: LGE
17/06/2022 05:39:02 p. m. > Model: LM-K500
17/06/2022 05:39:02 p. m. > Device: mdh30xlm
17/06/2022 05:39:02 p. m. > Android version: 11
17/06/2022 05:39:02 p. m. > SW version: LMK500UMT3AT-01-V20i-310-260-MAR-16-2022-ARB00+0
17/06/2022 05:39:02 p. m. > IMEI: 356240-97-247092-8
17/06/2022 05:39:06 p. m. > Write security backup function doesn't work for this device with latest firmware versions. If you'll encounter any problem during Unlock operation - you won't be able to restore the phone to it's initial state, so proceed at your own risk.

Continue?
17/06/2022 05:39:34 p. m. > Reading security area...
17/06/2022 05:39:34 p. m. > Reading 1/3...
17/06/2022 05:39:35 p. m. > Reading 2/3...
17/06/2022 05:39:37 p. m. > Reading 3/3...
17/06/2022 05:39:39 p. m. > Backup saved to "K500UM_356240972470928_17-06-2022_17-39-33.SEC"
17/06/2022 05:39:41 p. m. > Erasing part 1...
17/06/2022 05:39:41 p. m. > AllowWrite operation started
17/06/2022 05:39:41 p. m. > readed0 0x0000
17/06/2022 05:39:41 p. m. > readed1 0x40040004
17/06/2022 05:39:41 p. m. > readed2 0x0064
17/06/2022 05:39:41 p. m. > Erasing part 2...
17/06/2022 05:39:41 p. m. > AllowWrite operation started
17/06/2022 05:39:41 p. m. > readed0 0x0000
17/06/2022 05:39:41 p. m. > readed1 0x40040004
17/06/2022 05:39:41 p. m. > readed2 0x0064
17/06/2022 05:39:42 p. m. > Erasing part 3...
17/06/2022 05:39:42 p. m. > AllowWrite operation started
17/06/2022 05:39:42 p. m. > readed0 0x0000
17/06/2022 05:39:42 p. m. > readed1 0x40040004
17/06/2022 05:39:42 p. m. > readed2 0x0064
17/06/2022 05:39:42 p. m. > Erasing part 4...
17/06/2022 05:39:42 p. m. > AllowWrite operation started
17/06/2022 05:39:42 p. m. > readed0 0x0000
17/06/2022 05:39:42 p. m. > readed1 0x40040004
17/06/2022 05:39:42 p. m. > readed2 0x0064
17/06/2022 05:39:43 p. m. > Phone successfully unlocked!
17/06/2022 05:39:43 p. m. > Performed by 3.1.9 Software version.
17/06/2022 05:39:43 p. m. > Elapsed Time: 12:01:52 a. m.
17/06/2022 05:44:18 p. m. > --------------------------------------------------------------------------------
17/06/2022 05:44:18 p. m. > Connecting to server 0...17/06/2022 05:44:19 p. m. > OK
17/06/2022 05:44:19 p. m. > Username: oct_sn54WdS
17/06/2022 05:44:19 p. m. > Authorizing...17/06/2022 05:44:21 p. m. > OK
17/06/2022 05:44:21 p. m. > Checking balance...17/06/2022 05:44:22 p. m. > OK
17/06/2022 05:44:22 p. m. > Your balance: 0 credits.

The phone still stuck in MTK Port, I don't know how to restart it

[Octopus support]

Hello

Please, send us some photo of phone, we will check, where can be the problem.

[juancar273]

Originally Posted by Octopus support

Hello

Please, send us some photo of phone, we will check, where can be the problem.

The testpoint was not done on the motherboard because it was stuck on mtk port in the unlock process

Here it is an image and a video

Image 1

Image 2

Video

[Octopus box]

Hello.

Because the procedure went wrong ... he stayed in MTK Port.

We have to make a test version of software, so we can write the preloader. We do this on monday.

[juancar273]

Originally Posted by Octopus box

Hello.

Because the procedure went wrong ... he stayed in MTK Port.

We have to make a test version of software, so we can write the preloader. We do this on monday.

Ok i'll wait until monday, thanks

[Octopus box]

Please, check your PM.

[juancar273]

Originally Posted by Octopus box

Please, check your PM.

It worked!, thank you so much for the help!, here is the log:

Log file "C:\Program Files (x86)\Octoplus\Octoplus_LG\LOG\20-06-2022_08-19-00.log" created.
20/06/2022 08:19:03 a. m. > Searching for server...
20/06/2022 08:19:03 a. m. > Trying to ping server...020/06/2022 08:19:03 a. m. > ok
20/06/2022 08:19:03 a. m. > Trying connect to server...
20/06/2022 08:19:04 a. m. > Searching installed cards...
20/06/2022 08:19:04 a. m. > Found card with s/n: 10001016A
20/06/2022 08:19:04 a. m. > Server check...
20/06/2022 08:19:05 a. m. > Server Check succesfull!
20/06/2022 08:19:05 a. m. > Server Check succesfull!
20/06/2022 08:19:08 a. m. > Welcome to Octoplus/Octopus Box LG Software version 3.1.9.01
20/06/2022 08:19:08 a. m. > Card S/N : 010001016A
20/06/2022 08:19:16 a. m. > INI FUpdateInfo Done!
20/06/2022 08:19:16 a. m. > INI FShowUpdateInfo start
20/06/2022 08:19:16 a. m. > INI FShowInfo start
20/06/2022 08:19:35 a. m. > --------------------------------------------------------------------------------
20/06/2022 08:19:35 a. m. > Selected USB connection type
20/06/2022 08:19:37 a. m. > Transport: Connected
20/06/2022 08:19:38 a. m. > Authorized.
20/06/2022 08:19:39 a. m. > Work ID: 0000000001919F2E
20/06/2022 08:19:40 a. m. > Checking data...20/06/2022 08:19:40 a. m. > OK
20/06/2022 08:19:41 a. m. > Platform: LG MTK
20/06/2022 08:19:41 a. m. > Selected port:
20/06/2022 08:19:41 a. m. > Selected baudrate: 0
20/06/2022 08:19:41 a. m. > Selected model: K500UM
20/06/2022 08:19:41 a. m. > Checking Resource File...
20/06/2022 08:19:43 a. m. > Check FTP file List
20/06/2022 08:19:43 a. m. > FTP file List is obtained!
20/06/2022 08:19:44 a. m. > Put the phone into Brom mode:
1. Attach testpoint as shown in Help manual.
2. Connect USB cable.
3. Release testpoint after 3-5 seconds.
20/06/2022 08:19:52 a. m. > Found port COM11
20/06/2022 08:19:52 a. m. > Detecting Chip Version...
20/06/2022 08:19:52 a. m. > Platform: MT6765: 0766.0000
20/06/2022 08:19:52 a. m. > HW version: 8A00.CA00.0000.0000
20/06/2022 08:19:52 a. m. > Connecting...
20/06/2022 08:19:52 a. m. > Target config: 00E5
20/06/2022 08:19:52 a. m. > Brom Version: 05
20/06/2022 08:19:52 a. m. > BootLoader Version: FE
20/06/2022 08:19:52 a. m. > Disabling protection...
20/06/2022 08:19:52 a. m. > Reconnecting phone...
20/06/2022 08:19:52 a. m. > Detecting Chip Version...
20/06/2022 08:19:52 a. m. > Platform: MT6765: 0766.0000
20/06/2022 08:19:52 a. m. > HW version: 8A00.CA00.0000.0000
20/06/2022 08:19:53 a. m. > Target config: 00E0
20/06/2022 08:19:53 a. m. > Prepairing loader...
20/06/2022 08:19:53 a. m. > Sending loader...
20/06/2022 08:19:53 a. m. > DA send successfully
20/06/2022 08:19:53 a. m. > Executing loader...
20/06/2022 08:19:53 a. m. > Synchronizing with loader...
20/06/2022 08:19:55 a. m. > Device status: SYNC
20/06/2022 08:19:55 a. m. > Device status: brom
20/06/2022 08:19:55 a. m. > Initializing flash...
20/06/2022 08:19:55 a. m. > Initializing flash...
20/06/2022 08:19:55 a. m. > Sending loader...
20/06/2022 08:19:55 a. m. > Device status: SYNC
20/06/2022 08:19:55 a. m. > Reading info...
20/06/2022 08:19:55 a. m. > EMMC rpmb size: 4 Mb
20/06/2022 08:19:55 a. m. > EMMC boot1 size: 4 Mb
20/06/2022 08:19:55 a. m. > EMMC boot2 size: 4 Mb
20/06/2022 08:19:55 a. m. > EMMC gp1 size: 0 Mb
20/06/2022 08:19:55 a. m. > EMMC gp2 size: 0 Mb
20/06/2022 08:19:55 a. m. > EMMC gp3 size: 0 Mb
20/06/2022 08:19:55 a. m. > EMMC gp4 size: 0 Mb
20/06/2022 08:19:55 a. m. > EMMC user area size: 29820 Mb
20/06/2022 08:19:55 a. m. > eMMC flash chip: .15010047.58364241.4209A62A.078DA7F3
20/06/2022 08:19:55 a. m. > eMMC flash chip: Unknown: GX6BAB
20/06/2022 08:19:56 a. m. > Internal RAM size: 232 Kb
20/06/2022 08:19:56 a. m. > External RAM size: 3072 Mb
20/06/2022 08:19:56 a. m. > Reading partitions...
20/06/2022 08:19:56 a. m. > Reading SUPER partition...
20/06/2022 08:19:57 a. m. > Reading info...
20/06/2022 08:19:59 a. m. > Searching Build.prop
20/06/2022 08:19:59 a. m. > Search system
20/06/2022 08:19:59 a. m. > FTPUploader: Starting upload
20/06/2022 08:19:59 a. m. > Search android
20/06/2022 08:19:59 a. m. > Search system_a
20/06/2022 08:19:59 a. m. > Getting file /build.prop
20/06/2022 08:20:00 a. m. > Start searcing...
20/06/2022 08:20:00 a. m. > Error getting File Addres!
20/06/2022 08:20:00 a. m. > Getting file /system/build.prop
20/06/2022 08:20:00 a. m. > Start searcing...
20/06/2022 08:20:02 a. m. > Brand: lge
20/06/2022 08:20:02 a. m. > Manufacturer: LGE
20/06/2022 08:20:02 a. m. > Model: LM-K500
20/06/2022 08:20:02 a. m. > Device: mdh30xlm
20/06/2022 08:20:02 a. m. > Android version: 11
20/06/2022 08:20:02 a. m. > SW version: LMK500UMT3AT-01-V20i-310-260-MAR-16-2022-ARB00+0
20/06/2022 08:20:02 a. m. > IMEI: 356240-97-247092-8
20/06/2022 08:20:31 a. m. > Opening "LMK500UMT3AT-01-V20i-310-260-MAR-16-2022-ARB00+0_preloader.orf"...
20/06/2022 08:20:31 a. m. > Writing boot...
20/06/2022 08:20:31 a. m. > AllowWrite operation started
20/06/2022 08:20:31 a. m. > 0007 : 0000200000002000
20/06/2022 08:20:31 a. m. > Image result: 0x0
20/06/2022 08:20:31 a. m. > Performed by 3.1.9.01 Software version.
20/06/2022 08:20:31 a. m. > Elapsed Time: 12:00:55 a. m.