Can't init device. Reason: CMD Timeout Error - GSM-Forum

luckycool · 12-14-2018, 13:57

I have a working T285 tablet with MDM security.
I m trying to flash emmc to avaoid security restriction.
However i m getting "Can't init device. Reason: CMD Timeout Error" I have never been able to connect one device with Z3X easy jtag.
My Connection are perfect. please advise me i m frustrated with this.
Regards

engcobocell · 12-14-2018, 14:07

Your wire is too long

Sent from my SM-A520F using Tapatalk

luckycool · 12-14-2018, 15:41

Quote:

Originally Posted by engcobocell

Your wire is too long

Sent from my SM-A520F using Tapatalk

Thanks for some advice. Yes i cut the wire short now however same result.

Compression if OFF
Z3X EasyJtag Software ver. 3.3.0.0
Loading eMMC GEN2 Firmware... IO: 1800 mV
Box S/N: DCCF25759Dxxxxx, ,FW Ver.: 02.30
CMD Pullup Level:1369 mV
CMD Active Level:1843 mV
Box IO Level:1800 mV
CLK Rate:12000 kHz
Bus Width:1bit,SDR
HiPower mode is off!
Can't init device, Reason: CMD Timeout Error
Done.

regards

iFixM · 12-14-2018, 16:11

Hey there,

I was facing your issue exactly with all Emmc i wanted to read or write

I just got my connection shorter a lot shorter as shorter as u can and used a thick wire for the GND used a wire from arduino toolkit and everything readed successfully

Also try the lowest rate from CLK Rate once it catch the emmc try to go upper till it suite u

I hope it help

luckycool · 12-14-2018, 16:13

Here is the picture for shorter version

luckycool · 12-14-2018, 16:33

Aah I found all the pins of iSP adaptor not soldered by factory.
Please check the pics .
Got it working .. Yaay.
Thanks for ideas.

luckycool · 12-14-2018, 16:54

Hi
Thanks for your advises.. Please help me flash this phone now.
1) Can flash it wtih 4 files?
2) Do i need to flash any dump?

12-14-2018, 14:07	#2 (permalink)
engcobocell No Life Poster Join Date: Jun 2016 Location: every ware in your hart Posts: 798 Member: 2590583 Status: Offline Thanks Meter: 198	Your wire is too long Sent from my SM-A520F using Tapatalk

12-14-2018, 16:11	#4 (permalink)
iFixM Junior Member Join Date: Jul 2018 Posts: 15 Member: 2853346 Status: Offline Thanks Meter: 1	Hey there, I was facing your issue exactly with all Emmc i wanted to read or write I just got my connection shorter a lot shorter as shorter as u can and used a thick wire for the GND used a wire from arduino toolkit and everything readed successfully Also try the lowest rate from CLK Rate once it catch the emmc try to go upper till it suite u I hope it help

12-14-2018, 16:54	#7 (permalink)
luckycool No Life Poster Join Date: May 2005 Location: UK Posts: 1,071 Member: 143848 Status: Offline Thanks Meter: 125	Hi Thanks for your advises.. Please help me flash this phone now. 1) Can flash it wtih 4 files? 2) Do i need to flash any dump?