Ls770 can't connect [Answered] - GSM-Forum

D. Dragon · 07-03-2019, 21:39

Hello,
I wan't to repair ls770 but it won't connect although everything is ok

Quote:

Welcome to Octoplus Pro JTAG Software version 1.7.7.
Started.
Reader #0: Broadcom Corp Contacted SmartCard 0
Reader #1: Generic EMV Smartcard Reader 0
Reader #2: Generic EMV Smartcard Reader 1

Please disconnect battery and USB cable.

Model Settings:
Interface : eMMC
Brand : LG
Model : LS770
SRF : C:/Program Files (x86)/Octoplus Pro JTAG Software/firmwareFolder/LG_LS770_EMMC_QN1SMB.SRF
Voltage : 1.8V
Bus Mode : 1 bit
Bus speed : Auto

Connecting...

ERROR[001]: Can not connect. No target device present.

Please disconnect battery and USB cable.

Octopus box · 07-04-2019, 12:51

Hello.

Please disconnect battery and USB cable. Besides, try to use short wires, check soldering and try to connect again, if problem will stil remain, try to set up another Speed and Voltage.

Note: if You set your voltage to high You may damage your device, be carefull.

D. Dragon · 07-06-2019, 10:13

Quote:

Originally Posted by Octopus box

Hello.

Please disconnect battery and USB cable. Besides, try to use short wires, check soldering and try to connect again, if problem will stil remain, try to set up another Speed and Voltage

After I tried to change voltage the phone is full dead, It was work but no download, what can I do?

Octopus box · 07-08-2019, 07:57

Post here full Softare logs, besides if your deviec was fully worked then why You are trying to connect it to Octoplus JTAG Pro, for what?!

D. Dragon · 07-08-2019, 09:58

Quote:

Originally Posted by Octopus box

Post here full Softare logs, besides if your deviec was fully worked then why You are trying to connect it to Octoplus JTAG Pro, for what?!

I haven't log cause I can't connect to device, It was hang on LG and no download mode, I tried to repair it but now it's dead.

Octopus box · 07-09-2019, 08:11

Quote:

After I tried to change voltage

Unfortunately, i can't help You without logs. Note: if You set your voltage to high You may damage your device, be carefull.

07-04-2019, 12:51	#2 (permalink)
Octopus box Product Supporter Join Date: Oct 2009 Location: Romania, Bucharest Posts: 99,813 Member: 1146942 Status: Offline Sonork: 100.1587278 Thanks Meter: 27,407	Hello. Please disconnect battery and USB cable. Besides, try to use short wires, check soldering and try to connect again, if problem will stil remain, try to set up another Speed and Voltage. Note: if You set your voltage to high You may damage your device, be carefull. Last edited by Octopus box; 07-09-2019 at 08:11.

07-08-2019, 07:57	#4 (permalink)
Octopus box Product Supporter Join Date: Oct 2009 Location: Romania, Bucharest Posts: 99,813 Member: 1146942 Status: Offline Sonork: 100.1587278 Thanks Meter: 27,407	Post here full Softare logs, besides if your deviec was fully worked then why You are trying to connect it to Octoplus JTAG Pro, for what?!