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Go Back   GSM-Forum > Product Support Sections > Hard/Software Products (official support) > Octopus/Octoplus > Octopus LG/Octoplus LG


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Old 03-14-2019, 18:21   #1 (permalink)
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m250n v20b can we flash v10 firmware [Answered]


Hi,
I have a phone for frp which has v20b firmware can we flash v10 file to downgrade and do frp as i can't find file to downgrade and do frp thanks


Welcome to Octoplus/Octopus Box LG Software version 2.9.1
--------------------------------------------------------------------------------
Checking data...OK
Platform: LG MTK
Selected port: COM694
Selected baudrate: 0
Selected model: M250N
Selected USB connection type
Please, disconnect cable, reconnect battery, connect P999 cable (with
910k resistor)
or
Reconnect battery, press and hold "Vol+" for 10 seconds and connect
Micro USB cable.
Phone found at port COM694
Mode: Emergency
Initializing flash...OK
Model ID: LG-M250n
Platform: mt6750
Android version: 8.1.0
SW version: LGM250nAT-01-V20b-234-10-AUG-13-2018+0
LAF Version: 1.1
Product ID: CT66S180221001200
IMEI: 354945-08-840918-8
Target operator: GLOBAL
Hardware: rev_10
Battery level: 17%
Reading partitions...OK
LAF Error: 80000119.
Checking security...Failed!
Blocks reading error!
Performed by 2.9.1 Software version.
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Old 03-15-2019, 01:30   #2 (permalink)
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Try to downgrade software but be careful. Backup before the flash,becausethere are possibility that you brick the phone. Please post the result of downgrade.
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Old 03-15-2019, 09:04   #3 (permalink)
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@theunlocker

Hello.

Also, please use the latest Software version 2.9.3.
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Old 09-10-2019, 21:57   #4 (permalink)
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Quote:
Originally Posted by diffusore1976 View Post
Try to downgrade software but be careful. Backup before the flash,becausethere are possibility that you brick the phone. Please post the result of downgrade.
Tryed to downgrade (for reset FRP) and ended with dead phone,always error when wrinting system file on bouth v10 and v20 firmwares from support,lucky the phone stiil entered in DowmloadMode and recover it with LG Bridge but FRP lock is still on,anyone knows a method to unlock this phone???...
here is octoplus log:

Welcome to Octoplus/Octopus Box LG Software version 2.9.6
--------------------------------------------------------------------------------
Checking data...OK
Platform: LG MTK
Selected port: COM479
Selected baudrate: 921600
Selected model: M250N
Selected USB connection type
Please, disconnect cable, reconnect battery, connect P999 cable (with 910k resistor)
or
Reconnect battery, press and hold "Vol+" for 10 seconds and connect Micro USB cable.
Phone found at port COM147
Mode: Emergency
Initializing flash...OK
Model ID: LG-M250n
Platform: mt6750
Android version: 8.1.0
SW version: LGM250nAT-00-V20b-222-01-JAN-11-2019+0
LAF Version: 1.1
Product ID: CY12S170826006459
IMEI: 35xxxxxxxxxxxxxxxxxxxxx
Target operator: GLOBAL
Hardware: rev_10
Battery level: 77%
Read EEPROM operation is currently not supported for your phone's firmware.
Performed by 2.9.6 Software version.
--------------------------------------------------------------------------------
Checking data...OK
Platform: LG MTK
Selected port: COM479
Selected baudrate: 921600
Selected model: M250N
Selected USB connection type
Please, disconnect cable, reconnect battery, connect P999 cable (with 910k resistor)
or
Reconnect battery, press and hold "Vol+" for 10 seconds and connect Micro USB cable.
Phone found at port COM146
Mode: Emergency
Initializing flash...OK
Model ID: LG-M250n
Platform: mt6750
Android version: 8.1.0
SW version: LGM250nAT-00-V20b-222-01-JAN-11-2019+0
LAF Version: 1.1
Product ID: CY12S170826006459
IMEI: 35xxxxxxxxxxxxxxxxxxxx
Target operator: GLOBAL
Hardware: rev_10
Battery level: 77%
--------------------------------------------------------------------------------
Writing phone firmware without real necessity is at your own risk.

Downgrade may lead to phone damage!

Please, make sure the phone's battery is fully charged.
Disconnect all other devices from the computer (including phones, modems, etc.) and close all other running programs.
To avoid errors in the flashing process, use a clean PC (without any installed drivers for other Qualcomm-based devices).
You should not run any other programs or attach new devices to your computer during the flashing!
--------------------------------------------------------------------------------
Opening "M250n10o_00_OPEN_EU_OP_0409.oct"...OK
Setting options...OK
Selecting firmware partitions...OK
Selected default partitions!
Reading partitions...OK
LAF Error: 80000119.
Do you want to format User Data?
Formating USERDATA...OK
Formating ENCRYPT...OK
Sending signature...OK
Writing preloader...OK
Writing pgpt...OK
Writing lk...OK
Writing lk2...OK
Writing laf...OK
Writing boot...OK
Writing recovery...OK
Writing logo...OK
Writing secro...OK
Writing tee1...OK
Writing tee2...OK
Writing rct...OK
Writing factory...OK
Writing efuse...OK
Writing md1img...OK
Writing md1dsp...OK
Writing md1arm7...OK
Writing md3img...OK
Writing cust...OK
Writing system...Failed!
Performed by 2.9.6 Software version.
--------------------------------------------------------------------------------
Checking data...OK
Platform: LG MTK
Selected port: COM147
Selected baudrate: 921600
Selected model: M250N
Selected USB connection type
Please, disconnect cable, reconnect battery, connect P999 cable (with 910k resistor)
or
Reconnect battery, press and hold "Vol+" for 10 seconds and connect Micro USB cable.
Phone found at port COM147
Mode: Emergency
Initializing flash...OK
Model ID: LG-M250n
Platform: mt6750
Android version: 7.0
SW version: LGM250nAT-00-V20b-222-01-JAN-11-2019+0
LAF Version: 1.1
Product ID: CY12S170826006459
IMEI:
Target operator: GLOBAL
Hardware: rev_10
Battery level: 50%
Reading partitions...OK
Checking security...
Checking security passed!
--------------------------------------------------------------------------------
IMEI: 35xxxxxxxxxxxxx
Bluetooth address: 10:F1:F2:B1:60:E4
Wi-Fi MAC address: 10:F1:F2:30:7E:37
SPC: 000000
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
Writing phone firmware without real necessity is at your own risk.

Downgrade may lead to phone damage!

Please, make sure the phone's battery is fully charged.
Disconnect all other devices from the computer (including phones, modems, etc.) and close all other running programs.
To avoid errors in the flashing process, use a clean PC (without any installed drivers for other Qualcomm-based devices).
You should not run any other programs or attach new devices to your computer during the flashing!
--------------------------------------------------------------------------------
Opening "M250n10o_00_OPEN_EU_OP_0409.oct"...OK
Setting options...OK
Selecting firmware partitions...OK
Reading partitions...OK
Do you want to format User Data?
Sending signature...OK
Writing system...Failed!
Performed by 2.9.6 Software version.
--------------------------------------------------------------------------------
Checking data...OK
Platform: LG MTK
Selected port: COM147
Selected baudrate: 921600
Selected model: M250N
Selected USB connection type
Please, disconnect cable, reconnect battery, connect P999 cable (with 910k resistor)
or
Reconnect battery, press and hold "Vol+" for 10 seconds and connect Micro USB cable.
Phone found at port COM147
Mode: Emergency
Initializing flash...OK
Model ID: LG-M250n
Platform: mt6750
Android version: 7.0
SW version: LGM250nAT-00-V20b-222-01-JAN-11-2019+0
LAF Version: 1.1
Product ID: CY12S170826006459
IMEI:
Target operator: GLOBAL
Hardware: rev_10
Battery level: 50%
Reading partitions...OK
Checking security...
Checking security passed!
--------------------------------------------------------------------------------
IMEI: 35xxxxxxxxx
Bluetooth address: 10:F1:F2:B1:60:E4
Wi-Fi MAC address: 10:F1:F2:30:7E:37
SPC: 000000
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
Writing phone firmware without real necessity is at your own risk.

Downgrade may lead to phone damage!

Please, make sure the phone's battery is fully charged.
Disconnect all other devices from the computer (including phones, modems, etc.) and close all other running programs.
To avoid errors in the flashing process, use a clean PC (without any installed drivers for other Qualcomm-based devices).
You should not run any other programs or attach new devices to your computer during the flashing!
--------------------------------------------------------------------------------
Opening "M250n10o_00_OPEN_EU_OP_0409.oct"...OK
Setting options...OK
Selecting firmware partitions...OK
Reading partitions...OK
Do you want to format User Data?
Sending signature...OK
Writing cust...OK
Writing OP_T...OK
Formating RCT...OK
Finalizing...OK
Performed by 2.9.6 Software version.
--------------------------------------------------------------------------------
Checking data...OK
Platform: LG MTK
Selected port: COM479
Selected baudrate: 0
Selected model: M250N
Selected USB connection type
Please, disconnect cable, reconnect battery, connect P999 cable (with 910k resistor)
or
Reconnect battery, press and hold "Vol+" for 10 seconds and connect Micro USB cable.
Phone found at port COM147
Mode: Emergency
Initializing flash...OK
Model ID: LG-M250n
Platform: mt6750
Android version: 7.0
SW version: LGM250nAT-00-V20b-222-01-JAN-11-2019+0
LAF Version: 1.1
Product ID: CY12S170826006459
IMEI:
Target operator: GLOBAL
Hardware: rev_10
Battery level: 50%
Reading partitions...OK
Checking security...
Checking security passed!
--------------------------------------------------------------------------------
IMEI: 35xxxxxxxxxxxxxx
Bluetooth address: 10:F1:F2:B1:60:E4
Wi-Fi MAC address: 10:F1:F2:30:7E:37
SPC: 000000
--------------------------------------------------------------------------------
Detecting writing method...
LAF Error: 80000121.
Trying second method...
Trying third method...
Access violation at address 00000000. Read of address 00000000
Access violation at address 00000000. Read of address 00000000
Access violation at address 00000000. Read of address 00000000
Access violation at address 00000000. Read of address 00000000
Access violation at address 00000000. Read of address 00000000
Access violation at address 00000000. Read of address 00000000
Access violation at address 00000000. Read of address 00000000
Access violation at address 00000000. Read of address 00000000OK
Reset FRP operation for M250N will delete all user data on the phone (contacts, pictures and others)!
Do You want to continue?
Canceled!
Performed by 2.9.6 Software version.
Cannot call Start on a running or suspended thread
Access violation at address 00715B17 in module 'OctoplusLG.exe'. Read of address 00000014
--------------------------------------------------------------------------------
Checking data...OK
Platform: LG MTK
Selected port: COM479
Selected baudrate: 921600
Selected model: M250N
Selected USB connection type
Please, disconnect cable, reconnect battery, connect P999 cable (with 910k resistor)
or
Reconnect battery, press and hold "Vol+" for 10 seconds and connect Micro USB cable.
Phone found at port COM146
Mode: Emergency
Initializing flash...OK
Model ID: LG-M250n
Platform: mt6750
Android version: 7.0
SW version: LGM250nAT-00-V20b-222-01-JAN-11-2019+0
LAF Version: 1.1
Product ID: CY12S170826006459
IMEI:
Target operator: GLOBAL
Hardware: rev_10
Battery level: 50%
Reading partitions...OK
Checking security...
Checking security passed!
--------------------------------------------------------------------------------
IMEI: 35xxxxxxxxxxxx
Bluetooth address: 10:F1:F2:B1:60:E4
Wi-Fi MAC address: 10:F1:F2:30:7E:37
SPC: 000000
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
Writing phone firmware without real necessity is at your own risk.

Downgrade may lead to phone damage!

Please, make sure the phone's battery is fully charged.
Disconnect all other devices from the computer (including phones, modems, etc.) and close all other running programs.
To avoid errors in the flashing process, use a clean PC (without any installed drivers for other Qualcomm-based devices).
You should not run any other programs or attach new devices to your computer during the flashing!
--------------------------------------------------------------------------------
Opening "M250n20e_00_OPEN_EU_OP_1217.oct"...OK
Setting options...OK
Selecting firmware partitions...OK
Selected default partitions!
Reading partitions...OK
Do you want to format User Data?
Formating USERDATA...OK
Formating ENCRYPT...OK
Sending signature...OK
Writing preloader...OK
Writing pgpt...OK
Writing lk...OK
Writing lk2...OK
Writing laf...OK
Writing boot...OK
Writing recovery...OK
Writing logo...OK
Writing secro...OK
Writing tee1...OK
Writing tee2...OK
Writing rct...OK
Writing factory...OK
Writing efuse...OK
Writing md1img...OK
Writing md1dsp...OK
Writing md1arm7...OK
Writing md3img...OK
Writing cust...OK
Writing system...Failed!
Performed by 2.9.6 Software version.
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