Chuwi Cwi527 Hard Brick..Unbrick..Programm Bios/Eeprom

hey guys nd supporters…

my device is totally dead… not booting… and i can programm eeprom but i need assistance for that…btw what is the name of my device…?

This is the Eerprom or BIOS ic;

Winbond
25Q64FWS1G
1625

W25Q64FWXXXG(ISP)

This is the Read Log from Programmer…

006: Chip ID verification OK.
007: UniqueID:0x2B6850CBB41C66D8
008: Start reading chip…
009: Status register1 values: 0x0, Status register2 values: 0x0 .
010: Read successful£¬Elapsed time£º12.92 seconds¡£
011: Auto verifying…
012: Verification successful£¬Elapsed time£º7.18 seconds¡£
013: Buffer data checksum: 16bits_0xA031 £¬32bits_0x6111A031 :
014: Elapsed time: 20.1 seconds£¬average speed of 834645 bytes/sec.
015: >------------------------------------OK---------------------------------------<
016: File has been saved.

how can i recover my tablet…? how can i write Bios files…? because there r many files in the folder…

eeprom

Your tablet must be hi10 plus revision 1610.
You need to flash file bios.bin, its size should be 8,192KB or 8,00MB.
Make sure to keep the original bios, because it contains windows key.

thanx for ur reply…

i really did… i used this “Hi10 PLus Bios(8350)20170622” and still nothing…

034: C:\USERS\DESKTOP\EEPROM*BIOS.BIN*
035: File has been loaded, checksum: 16bits_0xD07D £¬32bits_0x6123D07D :
036: Chip ID verification OK.
037: UniqueID:0x2B6850CBB41C66D8
038: Start writing chip…
039: Auto erasing…
040: Erase successful£¬Elapsed time£º45.11 seconds¡£
041: Start writing…
042: Write successful£¬Elapsed time£º61.03 seconds¡£
043: Auto verifying…
044: Verification successful£¬Elapsed time£º7.18 seconds¡£
045: Status register1 values: 0x0, Status register2 values: 0x0 .
046: Elapsed time: 68.24 seconds£¬average speed of 122929 bytes/sec.
047: >------------------------------------OK---------------------------------------<

and another file, “Hi10 Plus 64G42170200001 BIOS” i also write bios.bin file in this folder but still same condition… no power on… no charing lcd… no pc detection…

my bios.bin files r wrong…? or what can be pb…?

these r my device pics,

Try bios for other versions, if the problem is not solved, then the problem is not in the bios.
https://www.mediafire.com/file/s4kzbenwlgi4abt/hi10plus_all.rar/file

thanx alot… let me check it i will inform u…

You can also ask support for bios (service@chuwi.com), most likely they will give a link to a 100% suitable bios.

yes i tried to contact with them. i sent all information and i m waiting for reply…

device was working fine i just flashed wrong fw… then totally dead…

Hi.

I have no will to break in the conversation, just think it’s good to show us the status of your PC

  • Are Charging LED, POWER LED and Keyboard LED lit when charger is connected?
  • What has happened before/after this malfunction?
  • What does “not booting” mean?

Sincerely

hey…

there is no LED power when i plug the usb c or normal usb cable…
device was working fine i just flashed Hi10 fw then it is totally dead…
not power on device not enter to any mode and if i use the extra power supply it always shows current 0.06-0.18-.0.11 like that… always changing the values…

service sent me 2 bios files but no success… still no power on or any mode…

Eeprom Programmer Log;

Bios.bin used from “Hi10 Pro § Z8350 BIOS”

060: C:\USERS\DESKTOP\EEPROM\BIOS*BIOS.BIN*
061: File has been loaded, checksum: 16bits_0xABC7 £¬32bits_0x6141ABC7 :
062: Chip ID verification OK.
063: UniqueID:0x2B6850CBB41C66D8
064: Start writing chip…
065: Auto erasing…
066: Erase successful£¬Elapsed time£º47.86 seconds¡£
067: Start writing…
068: Write successful£¬Elapsed time£º65.3 seconds¡£
069: Auto verifying…
070: Verification successful£¬Elapsed time£º7.178 seconds¡£
071: Status register1 values: 0x0, Status register2 values: 0x2 .
072: Elapsed time: 72.52 seconds£¬average speed of 115679 bytes/sec.
073: >------------------------------------OK---------------------------------------<

my CPU info… SR2KT…

Have you tried clearing CMOS after flashing? Perhaps this is the problem.

Press the power button for 30 seconds.
Press the power button 3 times for half a second
Put the charger and try to turn on.

Hi.

Your PC are on the way to light LED, that is, in the POST (Power-on-self-test) or before POST start.

I think you’ve already checked the soldering around W25Q64FW, it’s possible there may be the problem (short between succeeding pins, foot print peeling…).

I guess EEPROM’s form factor is gull-wing 8pin SOP (half-mil pitch), is it right?

Did you attach a socket for EEPROM on MB? (IC socket sometimes causes degradation of signal quality under high-speed clock frequency)

ohh no …never did it… let me try it…

this is the eeprom ic…yes it is 8 pin… and eeprom ic and around is clean…there is no short or sth else… i am disoldering eeprom ic with hot air then reprogramming and soldering again…i m not using socket for Eeprom…