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04-20-2020, 01:51 PM | #1 |
Junior Member
Posts: 5
Karma: 2000
Join Date: Jan 2020
Device: Kindle3,kindle 499,kindle 588
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A way to read/write KT3's EMMC(EMCP actually),but still need help
It's known that EMMC(EMCP) is actually a kind of SD card(MMC precisely), and it has a SPI mode allows us read/write it with only 5 wires connected, which is
VCC(+3.3v) VSS(GND) DO(DAT0 in MMC/SD mode) DI(CMD in MMC/SD mode) CLK And I found where the wires on kindle touch 3 (KT3,kindle 8th)goes with a PCB which I removed its EMCP(EMMC) Pic(Attach Files) 1&2 But when I got another kindle touch 3,I disconnected its battery and eink display,then connect its 5 wires that I just mentioned with a card reader,nothing happends. However, this card reader can access the EMCP I removed from the first kindle with same 5 wires connected. In brief,this way should work no matter EMMC is on-board or not(I don't know if my English is accurate but wish you get what I mean ^_^),but now it only works off-board So can anyone tell me where I was wrong?Or is there anyone wants to try it with your KT3 and carIf anyone wants to have a try ,be sure you're aware what you're doing ,and pardon me for taking no responsibility In the end,I'd like to say if this way works,which might means we can do whatevery we want on KT3 with no worry about bricked device such as downgrade,jailbreak... Apologize for my poor English. |
04-22-2020, 02:40 PM | #2 |
Groupie
Posts: 198
Karma: 123456
Join Date: Jan 2018
Device: Too Much Kindle :-)
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For older Kindle I use something like this
https://a.aliexpress.com/_B1Dku1 There are memories in the bga 153 housing. Cheap USB interfaces are also available for your type memory. You must remember that this way you will not read the reserved memory area. By copying the contents of one chip to another, you will not copy the serial numbers, mac address, etc. |
Tags |
debrick, downgrade, emmc, hardware, jailbreak |
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