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Go Back   GSM-Forum > Product Support Sections > Hard/Software Products (official support) > Easy-Jtag

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Old 03-24-2015, 20:19   #1 (permalink)
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SUCCESS Lumia 520 WPLock EMMC Error "Unable to Find a Bootable option"


Today I got Lumia 520 "ERROR : Unable to find a bootable option. press any key to shutdown".
This ia common trouble when upgrading WP 8.0 to 8.1, and this is
very easy to Fix, by EasyJTAG
While other box failed to detect "ivalid blablabla", Easy Jtag show the power

Here's step by step how to:


1.) Solder only 4 wire : CMD, CLK, DAT0, and GND



2.) Open Easyjtag Emmc tool, n connet usb directly to pcb as power of Vcc&vccq



3. Click Emmc Tool, set eMMC Voltage to : 3,3v
Detect eMMC card, you will see in log "Emmc Permanent Write Protection : YES"
This is the problem, just click on Advanced Opt, select "SAMSUNG : remove write protection" and execute by Custom Operation -->



4. Detect Emmc Card again to see the result, the trouble maker is remove Now , ..



5. Assemble phone, and flash normally with any box u have.
And, just it, you just revive your phone back to live...




Don't forget to Thanks to EasyJTAG

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Old 03-25-2015, 01:54   #2 (permalink)
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i have a lumia 620 eith same problem. where can i find emmc pinout?
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Old 03-26-2015, 09:08   #3 (permalink)
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Quote:
Originally Posted by kopito View Post
i have a lumia 620 eith same problem. where can i find emmc pinout?
You can use emmc test point from atf
See colour code in atf TP:
Red & Yellow : CLK
Blue : CMD
Green : DAT 0
Brown : GND
VCC & VCCQ : use usb connection
Gud Luck

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Old 03-27-2015, 12:31   #4 (permalink)
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i have a same problem in 520 soo provide ur contact no....... plz
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Old 03-28-2015, 12:51   #5 (permalink)
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Quote:
Originally Posted by frzferoz View Post
i have a same problem in 520 soo provide ur contact no....... plz
Above thread are very clear... Just follow that 1-2-3-4-5, n your done... For contact, he provide sonork id under his name, just invite it...
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Old 03-29-2015, 13:04   #6 (permalink)
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thank you matgoeslim 100/100 working tested lumia 520
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Old 03-29-2015, 14:56   #7 (permalink)
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thank you tested working lumia 520
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Old 03-31-2015, 07:32   #8 (permalink)
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Hi madgoeslim, you have a dump full lumia 520 rm-914 low version,dump by z3 jtag.
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Old 04-01-2015, 15:14   #9 (permalink)
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Quote:
Originally Posted by yentrang120705 View Post
Hi madgoeslim, you have a dump full lumia 520 rm-914 low version,dump by z3 jtag.
Try this brother, hope it help..
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Old 04-02-2015, 09:06   #10 (permalink)
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Quote:
Originally Posted by madgoeslim View Post
Try this brother, hope it help..
I have 1 more LU 520 got the same problem,after remove protection phone still get "ERROR : Unable to find a bootable option. press any key to shutdown" I can not flash any firmware with any tool.Hope any suggest from you,Thanks YOU
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Old 04-02-2015, 09:13   #11 (permalink)
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@yentrang120705

can I check Your Remove Protuction Logs.

BR
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Old 04-02-2015, 11:02   #12 (permalink)
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Quote:
Originally Posted by laxmi kamlesh View Post
@yentrang120705

can I check Your Remove Protuction Logs.

BR
Yes,log remove here:

Z3X EasyJtag Software ver. 1.8.1.1
Loading eMMC Addon Firmware... IO: 3300 mV
Box S/N: 0E01000xxxxxxxxx, ,FW Ver.: 01.52
CMD Pullup Level:1433 mV
CMD Active Level:1711 mV
eMMC Device Information
EMMC CID : 1501004D3847325943004E10455250F4

EMMC CSD : D02701320F5903FFF6DBFFEF96406006

EMMC Manufacturer ID: 0015 , OEM ID: 0100
EMMC Date: 05/2013 Rev.0x0
EMMC NAME: <b>M8G2YC</b> , S/N: 1309689170
EMMC NAME (HEX): 4D384732594300
EMMC ROM1 (Main User Data) Capacity: 7456 MB
EMMC ROM2 (Boot Partition 1) Capacity: 4096 kB
EMMC ROM3 (Boot Partition 2) Capacity: 4096 kB
EMMC RPMB (Replay Protected Memory Block) Capacity: 512 kB
EMMC Permanent Write Protection: <b>Yes<b>
EMMC Temporary Write Protection: No
Extended CSD rev 1.5 (MMC 4.41)

Boot configuration [PARTITION_CONFIG: 0x38] Boot from:ROM1 (Main User Area)
Boot bus config [177]: 0x00 , width 1bit , Partition config [179]: 0x38.
Backup saved: M8G2YC_1309689170_20150201_1655.extcsd
Done.
---------

Running:SAMSUNG: Remove Write Protection...
Z3X EasyJtag Software ver. 1.8.1.1
Skip loading eMMC Addon Firmware
CMD Pullup Level:1433 mV
CMD Active Level:1711 mV
Removing write protection...
Done.

Z3X EasyJtag Software ver. 1.8.1.1
Loading eMMC Addon Firmware... IO: 3300 mV
Box S/N: 0E01000xxxxxxxxx, ,FW Ver.: 01.52
CMD Pullup Level:2072 mV
CMD Active Level:2681 mV
eMMC Device Information
EMMC CID : 1501004D3847325943004E10455250F4

EMMC CSD : D02701320F5903FFF6DBFFEF96404062

EMMC Manufacturer ID: 0015 , OEM ID: 0100
EMMC Date: 05/2013 Rev.0x0
EMMC NAME: <b>M8G2YC</b> , S/N: 1309689170
EMMC NAME (HEX): 4D384732594300
EMMC ROM1 (Main User Data) Capacity: 7456 MB
EMMC ROM2 (Boot Partition 1) Capacity: 4096 kB
EMMC ROM3 (Boot Partition 2) Capacity: 4096 kB
EMMC RPMB (Replay Protected Memory Block) Capacity: 512 kB
EMMC Permanent Write Protection: No
EMMC Temporary Write Protection: No
Extended CSD rev 1.5 (MMC 4.41)
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Old 04-03-2015, 03:57   #13 (permalink)
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great, I'll try and post result. thanks
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Old 04-03-2015, 04:34   #14 (permalink)
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Bro.

when you detect emmc card.show emmc is write protected.

Quote:
EMMC Permanent Write Protection: <b>Yes<b>
after removed permanent write protection.

Quote:
EMMC Permanent Write Protection: No
is okay

now you need to detect emmc again.

if again come in write protection then have 2 ways.

1. emmc are killed/corrupted.
2.try with letest version of easy jtag(1.9)

BR
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Old 04-12-2015, 22:23   #15 (permalink)
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i have a lumia 920 eith same problem. where can i find emmc pinout?
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