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

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Old 10-20-2018, 20:46   #16 (permalink)
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Quote:
Originally Posted by Bhagat20 View Post
that phone was hand on logo
Logo - it's a graphic animation

If phone hang of text label "Samsung N7100" it means is eMMC have "OCR Timeout error" bug - it's no work, and need to reflash eMMC firmware via test point (for KLMVTU)

Your eMMC will never connect if it is dead

You need read this threads:

http://forum.gsmhosting.com/vbb/f672...-emmc-1986107/

Step by step manual how to repair KMVTU000LM-B503 in pictures.

instead of demanding a response from a broken chip
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Old 10-21-2018, 05:39   #17 (permalink)
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Quote:
Originally Posted by layder View Post
Logo - it's a graphic animation

If phone hang of text label "Samsung N7100" it means is eMMC have "OCR Timeout error" bug - it's no work, and need to reflash eMMC firmware via test point (for KLMVTU)

Your eMMC will never connect if it is dead

You need read this threads:

http://forum.gsmhosting.com/vbb/f672...-emmc-1986107/

Step by step manual how to repair KMVTU000LM-B503 in pictures.

instead of demanding a response from a broken chip
Sir but both thread showing "ocr ready timeout(emmc dead) " and I am getting error "cmd timeout error" are both same errors?
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Old 10-21-2018, 07:55   #18 (permalink)
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Quote:
Originally Posted by Bhagat20 View Post
Sir but both thread showing "ocr ready timeout(emmc dead) " and I am getting error "cmd timeout error" are both same errors?
Desolder chip at test it at socket
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Old 10-23-2018, 20:18   #19 (permalink)
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Quote:
Originally Posted by Bhagat20 View Post
i desoldered g531f emmc and tested via socket, please suggest if its repairable?

Compression if OFF
Z3X EasyJtag Software ver. 3.2.0.3
Loading eMMC GEN2 Firmware... IO: 2800 mV
Initial pull results:
clock: 1634mV pin connected ok
command: 1643mV pin connected ok
data0: 1643mV pin connected ok
data1: 1639mV pin connected ok
data2: 1640mV pin connected ok
data3: 1639mV pin connected ok
data4: 1641mV pin connected ok
data5: 1636mV pin connected ok
data6: 1640mV pin connected ok
data7: 1641mV pin connected ok
Box S/N: 026862FABF5A25EA, ,FW Ver.: 02.30
Box IO Level:2800 mV
CLK Rate:14000 kHz
Bus Width:8bit,SDR
HiPower mode is off!
Can't init device, Reason: OCR Ready Timeout Error [Check VCC or eMMC DEAD]
Done.
Please someone suggest, how to repair emmc via socket, giving error?
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Old 10-23-2018, 23:00   #20 (permalink)
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Quote:
Originally Posted by Bhagat20 View Post
Please someone suggest, how to repair emmc via socket, giving error?
Best way - change eMMC.

For eMMC 5.0 at BGA221 socket firmware with wipe is no available.
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