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Hice liberación por download mode para el modelo LGK300am, marcó error pero me consumió los creditos.
{\rtf1\ansi\ansicpg1252\deff0\deflang2058{\fonttbl{\f0\fnil Tahoma;}}
\viewkind4\uc1\pard\f0\fs16 LG 2-3G Tool v9.83
\par supported models: 1737
\par
\par Laf cmd info: send LAF_CMD_HELLO, retry #1
\par Laf cmd info: send LAF_CMD_HELLO, retry #2
\par Laf cmd info: send LAF_CMD_HELLO, retry #3
\par Laf cmd error: LAF_CMD_HELLO could not write.
\par Elapsed: 6 secs. --> (v9.83)
\par
\par Model: LG K300AM
\par Port: COM1
\par Operation: Direct Unlock
\par
\par Checking Login and Password... OK
\par Ballance: 33 crd.
\par You have 33 credit(s) left. This operation takes 10 credits.Continue? Yes
\par Check adb server status... OK
\par Searching ADB Device... OK
\par Reading data from phone... error(0)
\par Check ADB connection
\par Elapsed: 4 secs. --> (v9.83)
\par
\par Laf cmd info: send LAF_CMD_HELLO, retry #1
\par Laf cmd info: send LAF_CMD_HELLO, retry #2
\par Laf cmd info: send LAF_CMD_HELLO, retry #3
\par Laf cmd error: LAF_CMD_HELLO could not write.
\par Elapsed: 6 secs. --> (v9.83)
\par
\par Laf cmd info: send LAF_CMD_HELLO, retry #1
\par Laf cmd info: send LAF_CMD_HELLO, retry #2
\par Laf cmd info: send LAF_CMD_HELLO, retry #3
\par Laf cmd error: LAF_CMD_HELLO could not write.
\par Elapsed: 6 secs. --> (v9.83)
\par
\par Laf cmd info: send LAF_CMD_HELLO, retry #1
\par Laf cmd info: send LAF_CMD_HELLO, retry #2
\par Laf cmd info: send LAF_CMD_HELLO, retry #3
\par Laf cmd error: LAF_CMD_HELLO could not write.
\par Elapsed: 6 secs. --> (v9.83)
\par
\par Laf cmd info: send LAF_CMD_HELLO, retry #1
\par Laf cmd info: send LAF_CMD_HELLO, retry #2
\par Laf cmd info: send LAF_CMD_HELLO, retry #3
\par Laf cmd error: LAF_CMD_HELLO could not write.
\par Elapsed: 6 secs. --> (v9.83)
\par
\par Model: LG K300AM
\par Port: COM1
\par Operation: Direct Unlock
\par
\par Checking Login and Password... OK
\par Ballance: 33 crd.
\par You have 33 credit(s) left. This operation takes 10 credits.Continue? Yes
\par Check adb server status... OK
\par Searching ADB Device... OK
\par Reading data from phone... OK
\par Model: LM-K300
\par SW Version: K300AM10p
\par Search LG Modem port...
\par LG Modem port not detected!
\par Port already opened!
\par Elapsed: 1 secs. --> (v9.83)
\par
\par Laf cmd info: send LAF_CMD_HELLO, retry #1
\par Laf cmd info: send LAF_CMD_HELLO, retry #2
\par Laf cmd info: send LAF_CMD_HELLO, retry #3
\par Laf cmd error: LAF_CMD_HELLO could not write.
\par Elapsed: 6 secs. --> (v9.83)
\par
\par Laf cmd info: send LAF_CMD_HELLO, retry #1
\par Laf cmd info: send LAF_CMD_HELLO, retry #2
\par Laf cmd info: send LAF_CMD_HELLO, retry #3
\par Laf cmd error: LAF_CMD_HELLO could not write.
\par Elapsed: 5 secs. --> (v9.83)
\par
\par Model: LG K300AM
\par Port: COM9
\par Operation: Direct Unlock
\par
\par Checking Login and Password... OK
\par Ballance: 33 crd.
\par You have 33 credit(s) left. This operation takes 10 credits.Continue? Yes
\par Laf cmd info: send LAF_CMD_HELLO, retry #1
\par Laf cmd info: send LAF_CMD_HELLO, retry #2
\par Laf cmd info: send LAF_CMD_HELLO, retry #3
\par Laf cmd error: LAF_CMD_HELLO could not write.
\par Elapsed: 5 secs. --> (v9.83)
\par
\par Model: LG K300AM
\par Port: COM9
\par Operation: Direct Unlock
\par
\par Checking Login and Password... OK
\par Ballance: 33 crd.
\par You have 33 credit(s) left. This operation takes 10 credits.Continue? Yes
\par Check adb server status... OK
\par Searching ADB Device... fail
\par Device not found
\par Elapsed: 1 secs. --> (v9.83)
\par
\par Model: LG K300AM
\par Port: COM10
\par Operation: Direct Unlock
\par
\par Checking Login and Password... OK
\par Ballance: 33 crd.
\par You have 33 credit(s) left. This operation takes 10 credits.Continue? Yes
\par Model name: LM-K300AM
\par Software verion: K300AM10p
\par Android verion: 10
\par Target operator: LAO
\par Target country: COM
\par Chipset: mt6765
\par IMEI: 353953115958756
\par Serial: DD03S210120001914
\par Reading data from phone... OK
\par Searching server... OK
\par Waiting for server answer... OK
\par Executing...
\par Laf cmd info: send LAF_CMD_INFO, retry #1
\par Laf cmd info: send LAF_CMD_INFO, retry #2
\par Laf cmd info: send LAF_CMD_INFO, retry #3
\par Laf cmd error: LAF_CMD_INFO could not write.
\par Elapsed: 45 secs. --> (v9.83)
\par
\par
\par }
in LG Tool by (180 points)

1 Answer

0 votes
Hello. You should unlock via adb mode. Repeat operation, if credits will be consumed again - we will refund.
by (119k points)
primero lo intenté por ADB, simpremente marcó error, no me consumió nada, entonces vi que tambien se podia por download mode, lo intenté marco error tambien y me consumió
comparto el LOG para comprobar lo que te comento
---------------------------------------------------------------------------------

 

1/01/2022 01:29:49 p. m.: LG 2-3G Tool v9.83
11/01/2022 01:29:49 p. m.: supported models: 1737
11/01/2022 01:29:49 p. m.:
11/01/2022 01:33:44 p. m.: Laf cmd info: send LAF_CMD_HELLO, retry #1
11/01/2022 01:33:46 p. m.: Laf cmd info: send LAF_CMD_HELLO, retry #2
11/01/2022 01:33:48 p. m.: Laf cmd info: send LAF_CMD_HELLO, retry #3
11/01/2022 01:33:48 p. m.: Laf cmd error: LAF_CMD_HELLO could not write.
11/01/2022 01:33:48 p. m.: Elapsed: 6 secs. --> (v9.83)
11/01/2022 01:33:48 p. m.:  
11/01/2022 01:34:29 p. m.: Model: LG K300AM
11/01/2022 01:34:29 p. m.: Port: COM1
11/01/2022 01:34:29 p. m.: Operation: Direct Unlock
11/01/2022 01:34:29 p. m.:
11/01/2022 01:34:34 p. m.: Checking Login and Password...
11/01/2022 01:34:36 p. m.: OK
11/01/2022 01:34:36 p. m.: Ballance:
11/01/2022 01:34:36 p. m.: 33 crd.
11/01/2022 01:34:38 p. m.: You have 33 credit(s) left. This operation takes 10 credits.Continue?
11/01/2022 01:34:38 p. m.:  Yes
11/01/2022 01:34:38 p. m.: Check adb server status...
11/01/2022 01:34:38 p. m.: OK
11/01/2022 01:34:38 p. m.: Searching ADB Device...
11/01/2022 01:34:39 p. m.: OK
11/01/2022 01:34:39 p. m.: Reading data from phone...
11/01/2022 01:34:42 p. m.: error(0)
11/01/2022 01:34:42 p. m.: Check ADB connection
11/01/2022 01:34:42 p. m.: Elapsed: 4 secs. --> (v9.83)
11/01/2022 01:34:42 p. m.:  
11/01/2022 01:37:27 p. m.: Laf cmd info: send LAF_CMD_HELLO, retry #1
11/01/2022 01:37:29 p. m.: Laf cmd info: send LAF_CMD_HELLO, retry #2
11/01/2022 01:37:30 p. m.: Laf cmd info: send LAF_CMD_HELLO, retry #3
11/01/2022 01:37:30 p. m.: Laf cmd error: LAF_CMD_HELLO could not write.
11/01/2022 01:37:31 p. m.: Elapsed: 6 secs. --> (v9.83)
11/01/2022 01:37:31 p. m.:  
11/01/2022 01:37:48 p. m.: Laf cmd info: send LAF_CMD_HELLO, retry #1
11/01/2022 01:37:50 p. m.: Laf cmd info: send LAF_CMD_HELLO, retry #2
11/01/2022 01:37:51 p. m.: Laf cmd info: send LAF_CMD_HELLO, retry #3
11/01/2022 01:37:51 p. m.: Laf cmd error: LAF_CMD_HELLO could not write.
11/01/2022 01:37:52 p. m.: Elapsed: 6 secs. --> (v9.83)
11/01/2022 01:37:52 p. m.:  
11/01/2022 01:38:23 p. m.: Laf cmd info: send LAF_CMD_HELLO, retry #1
11/01/2022 01:38:25 p. m.: Laf cmd info: send LAF_CMD_HELLO, retry #2
11/01/2022 01:38:27 p. m.: Laf cmd info: send LAF_CMD_HELLO, retry #3
11/01/2022 01:38:27 p. m.: Laf cmd error: LAF_CMD_HELLO could not write.
11/01/2022 01:38:27 p. m.: Elapsed: 6 secs. --> (v9.83)
11/01/2022 01:38:27 p. m.:  
11/01/2022 01:38:47 p. m.: Laf cmd info: send LAF_CMD_HELLO, retry #1
11/01/2022 01:38:48 p. m.: Laf cmd info: send LAF_CMD_HELLO, retry #2
11/01/2022 01:38:50 p. m.: Laf cmd info: send LAF_CMD_HELLO, retry #3
11/01/2022 01:38:50 p. m.: Laf cmd error: LAF_CMD_HELLO could not write.
11/01/2022 01:38:50 p. m.: Elapsed: 6 secs. --> (v9.83)
11/01/2022 01:38:50 p. m.:  
11/01/2022 01:39:11 p. m.: Model: LG K300AM
11/01/2022 01:39:11 p. m.: Port: COM1
11/01/2022 01:39:11 p. m.: Operation: Direct Unlock
11/01/2022 01:39:11 p. m.:
11/01/2022 01:39:16 p. m.: Checking Login and Password...
11/01/2022 01:39:18 p. m.: OK
11/01/2022 01:39:18 p. m.: Ballance:
11/01/2022 01:39:18 p. m.: 33 crd.
11/01/2022 01:39:19 p. m.: You have 33 credit(s) left. This operation takes 10 credits.Continue?
11/01/2022 01:39:19 p. m.:  Yes
11/01/2022 01:39:19 p. m.: Check adb server status...
11/01/2022 01:39:19 p. m.: OK
11/01/2022 01:39:19 p. m.: Searching ADB Device...
11/01/2022 01:39:20 p. m.: OK
11/01/2022 01:39:20 p. m.: Reading data from phone...
11/01/2022 01:39:20 p. m.: OK
11/01/2022 01:39:20 p. m.: Model: LM-K300
11/01/2022 01:39:20 p. m.: SW Version: K300AM10p
11/01/2022 01:39:20 p. m.: Search LG Modem port...
11/01/2022 01:39:20 p. m.: \Device\Serial0

11/01/2022 01:39:20 p. m.: LG Modem port not detected!
11/01/2022 01:39:20 p. m.: Port already opened!
11/01/2022 01:39:20 p. m.: Elapsed: 1 secs. --> (v9.83)
11/01/2022 01:39:20 p. m.:  
11/01/2022 01:44:35 p. m.: Laf cmd info: send LAF_CMD_HELLO, retry #1
11/01/2022 01:44:37 p. m.: Laf cmd info: send LAF_CMD_HELLO, retry #2
11/01/2022 01:44:38 p. m.: Laf cmd info: send LAF_CMD_HELLO, retry #3
11/01/2022 01:44:38 p. m.: Laf cmd error: LAF_CMD_HELLO could not write.
11/01/2022 01:44:39 p. m.: Elapsed: 6 secs. --> (v9.83)
11/01/2022 01:44:39 p. m.:  
11/01/2022 01:44:57 p. m.: Laf cmd info: send LAF_CMD_HELLO, retry #1
11/01/2022 01:44:59 p. m.: Laf cmd info: send LAF_CMD_HELLO, retry #2
11/01/2022 01:45:00 p. m.: Laf cmd info: send LAF_CMD_HELLO, retry #3
11/01/2022 01:45:00 p. m.: Laf cmd error: LAF_CMD_HELLO could not write.
11/01/2022 01:45:00 p. m.: Elapsed: 5 secs. --> (v9.83)
11/01/2022 01:45:00 p. m.:  
11/01/2022 01:45:09 p. m.: Model: LG K300AM
11/01/2022 01:45:09 p. m.: Port: COM9
11/01/2022 01:45:09 p. m.: Operation: Direct Unlock
11/01/2022 01:45:09 p. m.:
11/01/2022 01:45:17 p. m.: Checking Login and Password...
11/01/2022 01:45:18 p. m.: OK
11/01/2022 01:45:18 p. m.: Ballance:
11/01/2022 01:45:18 p. m.: 33 crd.
11/01/2022 01:45:20 p. m.: You have 33 credit(s) left. This operation takes 10 credits.Continue?
11/01/2022 01:45:20 p. m.:  Yes
11/01/2022 01:45:21 p. m.: Laf cmd info: send LAF_CMD_HELLO, retry #1
11/01/2022 01:45:23 p. m.: Laf cmd info: send LAF_CMD_HELLO, retry #2
11/01/2022 01:45:25 p. m.: Laf cmd info: send LAF_CMD_HELLO, retry #3
11/01/2022 01:45:25 p. m.: Laf cmd error: LAF_CMD_HELLO could not write.
11/01/2022 01:45:25 p. m.: Elapsed: 5 secs. --> (v9.83)
11/01/2022 01:45:25 p. m.:  
11/01/2022 01:45:37 p. m.: Model: LG K300AM
11/01/2022 01:45:37 p. m.: Port: COM9
11/01/2022 01:45:37 p. m.: Operation: Direct Unlock
11/01/2022 01:45:37 p. m.:
11/01/2022 01:45:44 p. m.: Checking Login and Password...
11/01/2022 01:45:46 p. m.: OK
11/01/2022 01:45:46 p. m.: Ballance:
11/01/2022 01:45:46 p. m.: 33 crd.
11/01/2022 01:45:47 p. m.: You have 33 credit(s) left. This operation takes 10 credits.Continue?
11/01/2022 01:45:47 p. m.:  Yes
11/01/2022 01:45:47 p. m.: Check adb server status...
11/01/2022 01:45:47 p. m.: OK
11/01/2022 01:45:47 p. m.: Searching ADB Device...
11/01/2022 01:45:47 p. m.: fail
11/01/2022 01:45:47 p. m.: Device not found
11/01/2022 01:45:47 p. m.: Elapsed: 1 secs. --> (v9.83)
11/01/2022 01:45:47 p. m.:  
11/01/2022 01:46:01 p. m.: Model: LG K300AM
11/01/2022 01:46:01 p. m.: Port: COM10
11/01/2022 01:46:01 p. m.: Operation: Direct Unlock
11/01/2022 01:46:01 p. m.:
11/01/2022 01:46:04 p. m.: Checking Login and Password...
11/01/2022 01:46:05 p. m.: OK
11/01/2022 01:46:05 p. m.: Ballance:
11/01/2022 01:46:05 p. m.: 33 crd.
11/01/2022 01:46:06 p. m.: You have 33 credit(s) left. This operation takes 10 credits.Continue?
11/01/2022 01:46:06 p. m.:  Yes
11/01/2022 01:46:07 p. m.: Model name: LM-K300AM
11/01/2022 01:46:07 p. m.: Software verion: K300AM10p
11/01/2022 01:46:07 p. m.: Android verion: 10
11/01/2022 01:46:07 p. m.: Target operator: LAO
11/01/2022 01:46:07 p. m.: Target country: COM
11/01/2022 01:46:07 p. m.: Chipset: mt6765
11/01/2022 01:46:07 p. m.: IMEI: 353953115958756
11/01/2022 01:46:07 p. m.: Serial: DD03S210120001914
11/01/2022 01:46:08 p. m.: Reading data from phone...
11/01/2022 01:46:09 p. m.: OK
11/01/2022 01:46:09 p. m.: Searching server...
11/01/2022 01:46:11 p. m.: OK
11/01/2022 01:46:11 p. m.: Waiting for server answer...
11/01/2022 01:46:13 p. m.: OK
11/01/2022 01:46:13 p. m.: Executing...
11/01/2022 01:46:29 p. m.: Laf cmd info: send LAF_CMD_INFO, retry #1
11/01/2022 01:46:40 p. m.: Laf cmd info: send LAF_CMD_INFO, retry #2
11/01/2022 01:46:51 p. m.: Laf cmd info: send LAF_CMD_INFO, retry #3
11/01/2022 01:46:51 p. m.: Laf cmd error: LAF_CMD_INFO could not write.
11/01/2022 01:46:51 p. m.: Elapsed: 45 secs. --> (v9.83)
11/01/2022 01:46:51 p. m.:
puedes comprobar al principio del LOG intenté un par de veces por ADB pero marcaba error. despues intente por download y fue cuando me consumió los creditos y no lo hizo. por favor ayudame
listo, ya reinstale los drivers y lo volví a intentar por adb, pero sigue marcando error y no lo hace. adjunto LOG

{\rtf1\ansi\ansicpg1252\deff0\deflang2058{\fonttbl{\f0\fnil Tahoma;}}
\viewkind4\uc1\pard\f0\fs16 LG 2-3G Tool v9.83
\par supported models: 1737
\par
\par Model: LG K300AM
\par Port: COM1
\par Operation: Direct Unlock
\par
\par Checking Login and Password... OK
\par Ballance: 23 crd.
\par You have 23 credit(s) left. This operation takes 10 credits.Continue?  Yes
\par Check adb server status... OK
\par Searching ADB Device... OK
\par Reading data from phone... OK
\par Model: LM-K300
\par SW Version: K300AM10p
\par Search LG Modem port...
\par LG Modem port not detected!
\par Port already opened!
\par Elapsed: 2 secs. --> (v9.83)
\par  
\par Model: LG K300AM
\par Port: COM1
\par Operation: Direct Unlock
\par
\par Checking Login and Password... OK
\par Ballance: 23 crd.
\par You have 23 credit(s) left. This operation takes 10 credits.Continue?  Yes
\par Check adb server status... OK
\par Searching ADB Device... OK
\par Reading data from phone... OK
\par Model: LM-K300
\par SW Version: K300AM10p
\par Search LG Modem port...
\par LG Modem port not detected!
\par Port already opened!
\par Elapsed: 1 secs. --> (v9.83)
\par  
\par
\par }
Try to svitch connection modes like mtp or charge only.

tambien adjunto fotografias para demostrar que si tengo el puerto adb abierto

listo, si funcionó cambiando a MTP pero me volvió a consumir los 10 creditos. 

LG 2-3G Tool v9.83
supported models: 1737

Model: LG K300AM
Port: COM1
Operation: Direct Unlock

Checking Login and Password... OK
Ballance: 23 crd.
You have 23 credit(s) left. This operation takes 10 credits.Continue?  Yes
Check adb server status... OK
Searching ADB Device... OK
Reading data from phone... OK
Model: LM-K300
SW Version: K300AM10p
Search LG Modem port...
LG Modem port not detected!
Port already opened!
Elapsed: 2 secs. --> (v9.83)
 
Model: LG K300AM
Port: COM1
Operation: Direct Unlock

Checking Login and Password... OK
Ballance: 23 crd.
You have 23 credit(s) left. This operation takes 10 credits.Continue?  Yes
Check adb server status... OK
Searching ADB Device... OK
Reading data from phone... OK
Model: LM-K300
SW Version: K300AM10p
Search LG Modem port...
LG Modem port not detected!
Port already opened!
Elapsed: 1 secs. --> (v9.83)
 
Model: LG K300AM
Port: COM7
Operation: Direct Unlock

Checking Login and Password... OK
Ballance: 23 crd.
You have 23 credit(s) left. This operation takes 10 credits.Continue?  Yes
Check adb server status... OK
Searching ADB Device... OK
Reading data from phone... OK
Model: LM-K300
SW Version: K300AM10p
Search LG Modem port...
Detected LG Modem port at COM7
Reading data from phone... OK
IMEI: 353953115958756
Searching server... OK
Waiting for server answer... OK
Model name: LM-K300
Software verion: K300AM10p
Target operator: ATT
Target country: US
Serial: LMK300JVQ849GE9DY5
Writing zTool... OK
Initialization zTool... OK
Calculating... OK
Unlocking... OK
Elapsed: 10 secs. --> (v9.83)
 

por favor me podrias reembolsar los primero creditos que se me descontaron la primera vez que no quedó, por favor?
Refunded.
...