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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 09-02-2019, 09:37   #1 (permalink)
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LG K520DY NO display after flash [Answered]


hi, i have a k520dy hang on logo,

i tried to flash using this file > K520DY10g_00_1227.oct

it is success on flashing no error shown on logs :

Code:
Welcome to Octoplus/Octopus Box LG Software version 2.9.6
--------------------------------------------------------------------------------
Checking data...OK
Platform: LG Qualcomm
Selected port: COM62
Selected model: K520DY
Reading info...
Model ID: LG-K520DY
IMEI: 357952-07-360619-7
Android version: 6.0.1
Battery level: 22%
Mode: Emergency
Initializing flash...OK
Platform: msm8916
SW version: LGK520DYAT-00-V10d-ESA-XX-NOV-23-2016+0
Android version: 6.0.1
LAF Version: 1.1
Product ID: CT01S160611000175
IMEI: 357952-07-360619-7
Target operator: GLOBAL
Hardware: rev_10
--------------------------------------------------------------------------------
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 "K520DY20d_00_0331.oct"...OK
Selecting firmware partitions...OK
Selected default partitions!
Setting options...OK
Do you want to format User Data?
Reading partitions...OK
Formating USERDATA...OK
Formating ENCRYPT...OK
Sending signature...OK
Writing PrimaryGPT...OK
Writing sbl1...OK
Writing tz...OK
Writing hyp...OK
Writing rpm...OK
Writing aboot...OK
Writing sbl1bak...OK
Writing tzbak...OK
Writing hypbak...OK
Writing rpmbak...OK
Writing abootbak...OK
Writing persist...OK
Writing laf...OK
Writing boot...OK
Writing recovery...OK
Writing recoverybak...OK
Writing sec...OK
Writing factory...OK
Writing modem...OK
Writing cust...OK
Writing system...OK
Writing OP...OK
Writing BackupGPT...OK
Reading partitions...OK
Formating RCT...OK
Formating MPT...OK
Finalizing...OK
Writing firmware done!
Performed by 2.9.6 Software version.
--------------------------------------------------------------------------------
Checking data...OK
Platform: LG Qualcomm
Selected port: COM62
Selected model: K520DY
Reading info...
Model ID: LG-K520DY
IMEI: 357952-07-360619-7
Android version: 6.0.1
Battery level: 54%
Mode: Emergency
Initializing flash...OK
Platform: msm8916
SW version: LGK520DYAT-00-V20m-GLOBAL-COM-MAR-31-2017
+0
Android version: 7.0
LAF Version: 1.1
Product ID: CT01S160611000175
IMEI: 357952-07-360619-7
Target operator: GLOBAL
Hardware: rev_10
--------------------------------------------------------------------------------
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 "K520DY10g_00_1227.oct"...OK
Selecting firmware partitions...OK
Selected default partitions!
Setting options...OK
Do you want to format User Data?
Reading partitions...OK
Formating USERDATA...OK
Formating ENCRYPT...OK
Sending signature...OK
Writing PrimaryGPT...OK
Writing sbl1...OK
Writing tz...OK
Writing hyp...OK
Writing rpm...OK
Writing aboot...OK
Writing sbl1bak...OK
Writing tzbak...OK
Writing hypbak...OK
Writing rpmbak...OK
Writing abootbak...OK
Writing persist...OK
Writing laf...OK
Writing boot...OK
Writing recovery...OK
Writing recoverybak...OK
Writing sec...OK
Writing factory...OK
Writing modem...OK
Writing cust...OK
Writing system...OK
Writing OP...OK
Writing BackupGPT...OK
Reading partitions...OK
Formating RCT...OK
Formating MPT...OK
Finalizing...OK
Writing firmware done!
Performed by 2.9.6 Software version.
after flash, then phone shows lg logo then blank display, no lights no anything. but i hear lg opening song.

i tried again with this firmware > k520dy20d_00_0331.oct

here is logs :

Code:
Checking data...OK
Platform: LG Qualcomm
Selected port: COM62
Selected model: K520DY
Reading info...
Model ID: LG-K520DY
IMEI: 357952-07-360619-7
Android version: 6.0.1
Battery level: 54%
Mode: Emergency
Initializing flash...OK
Platform: msm8916
SW version: LGK520DYAT-00-V20m-GLOBAL-COM-MAR-31-2017+0
Android version: 7.0
LAF Version: 1.1
Product ID: CT01S160611000175
IMEI: 357952-07-360619-7
Target operator: GLOBAL
Hardware: rev_10
--------------------------------------------------------------------------------
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 "K520DY10g_00_1227.oct"...OK
Selecting firmware partitions...OK
Selected default partitions!
Setting options...OK
Do you want to format User Data?
Reading partitions...OK
Formating USERDATA...OK
Formating ENCRYPT...OK
Sending signature...OK
Writing PrimaryGPT...OK
Writing sbl1...OK
Writing tz...OK
Writing hyp...OK
Writing rpm...OK
Writing aboot...OK
Writing sbl1bak...OK
Writing tzbak...OK
Writing hypbak...OK
Writing rpmbak...OK
Writing abootbak...OK
Writing persist...OK
Writing laf...OK
Writing boot...OK
Writing recovery...OK
Writing recoverybak...OK
Writing sec...OK
Writing factory...OK
Writing modem...OK
Writing cust...OK
Writing system...OK
Writing OP...OK
Writing BackupGPT...OK
Reading partitions...OK
Formating RCT...OK
Formating MPT...OK
Finalizing...OK
Writing firmware done!
Performed by 2.9.6 Software version.
still the same. no display after logo.

what do i need to do?
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Old 09-02-2019, 10:15   #2 (permalink)
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Quote:
hi, i have a k520dy hang on logo,
Hello.

Most likely your device has HW issue
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Old 09-02-2019, 10:19   #3 (permalink)
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Quote:
Originally Posted by Octopus box View Post
Hello.

Most likely your device has HW issue

in blank screen, when i press volume or the screen to unlock, i can hear sounds.

so it means phone is in activation i think,. but no display...

but when i remove battery and turn power on, it shows logo then after 5 seconds, it disappear and i can hear LG startup tone. but no display..
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Old 09-02-2019, 11:57   #4 (permalink)
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Most likely your device has HW issue
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