huawei y5ii cun-u29 dead pinout - GSM-Forum

zack winstone · 05-01-2018, 09:51

have a nice day to all

i have 4pcs huawei cun-u29 problem is hang on logo
flash dead even correct firmware

all my 4pcs huawei cun-u29 all problem is hang logo
and then after flashing completely dead
but detecting as mtk preloader vcom driver

even i write back the original backup can not flash always failed to flash even original back up or even official stock rom

maybe jtag process only can fix this problem

have lot member or technician can face this issue of huawei cun-u29

but can not suported to jtag even other team can not support this
only change emmc suported

but emmc isp pinout don't have

please team support this phone on next update

i also search the emmc pinout on google but i cannot see

layder · 05-01-2018, 10:29

Quote:

Originally Posted by zack winstone

have a nice day to all

i have 4pcs huawei cun-u29 problem is hang on logo
flash dead even correct firmware

MTK Phone rarely have isp pinout (some wires are at second layer of PCB)

zack winstone · 05-01-2018, 10:42

Quote:

Originally Posted by layder

MTK Phone rarely have isp pinout (some wires are at second layer of PCB)

but i don't where tha ecxactly of this model

jryanp · 05-01-2018, 11:22

try to remove EMMC from the device then put it in EMMC Socket, then try to read out

layder · 05-03-2018, 09:28

Yesterday I was trying to find the lines D0_CMD_CLK on this model. They are absent in the upper layer.

samsulccp · 08-21-2018, 11:04

Cun-u29 read only emmc repair

05-01-2018, 09:51	#1 (permalink)
zack winstone Freak Poster Join Date: Nov 2014 Posts: 451 Member: 2287102 Status: Offline Thanks Meter: 119	huawei y5ii cun-u29 dead pinout have a nice day to all i have 4pcs huawei cun-u29 problem is hang on logo flash dead even correct firmware all my 4pcs huawei cun-u29 all problem is hang logo and then after flashing completely dead but detecting as mtk preloader vcom driver even i write back the original backup can not flash always failed to flash even original back up or even official stock rom maybe jtag process only can fix this problem have lot member or technician can face this issue of huawei cun-u29 but can not suported to jtag even other team can not support this only change emmc suported but emmc isp pinout don't have please team support this phone on next update i also search the emmc pinout on google but i cannot see

05-01-2018, 11:22	#4 (permalink)
jryanp Freak Poster Join Date: Feb 2012 Posts: 220 Member: 1723271 Status: Offline Thanks Meter: 51	try to remove EMMC from the device then put it in EMMC Socket, then try to read out

05-03-2018, 09:28	#5 (permalink)
layder Product Supporter Join Date: Jun 2002 Location: Belarus Age: 47 Posts: 3,187 Member: 13148 Status: Offline Thanks Meter: 2,948	Yesterday I was trying to find the lines D0_CMD_CLK on this model. They are absent in the upper layer.

08-21-2018, 11:04	#6 (permalink)
samsulccp Insane Poster Join Date: Nov 2014 Location: bangladesh Posts: 88 Member: 2285601 Status: Offline Thanks Meter: 13	Cun-u29 read only emmc repair