Hardware eMMC Issue when connected to board

rblackburnuk · May 11, 2020

Yeah, I can confirm I restored BCPKG files without encryption.

I also tried step 14 and there was nothing in the folders anyway, I still copied it all over just in case.

Everything I've used has been the latest version from the recommended sources in the guides.

I'm restoring the full nand backup I made when I got eMMc working now and ill go from there.

Thanks again for all your help.

LIY2012 · May 11, 2020

When you setup your keys file for linkle and choidujour, did you use the keys you dumped from your console, or from the internet. I was looking through my files and I noticed the keyblob_key_xx files I have are different from the ones on the internet.

Does your keyblob_key_00 start with "four, five, seven" or "four, F, five"?

rblackburnuk · May 11, 2020

The one i used for the Linkle prod.keys starts with

keyblob_key_00 = 4f5a86e....

The output from linkle shows keyblob_key_00 = CE96C5...

After doing all the steps and dumping my prod.key file i get keyblob_key_00 = CE96C5...

Im pretty sure my issue lies within either linkle or ChoiDujour or both and something I'm doing wrong.

LIY2012 · May 11, 2020

rblackburnuk said:
The one i used for the Linkle prod.keys starts with

keyblob_key_00 = 4f5a86e....

The output from linkle shows keyblob_key_00 = CE96C5...

After doing all the steps and dumping my prod.key file i get keyblob_key_00 = CE96C5...

Im pretty sure my issue lies within either linkle or ChoiDujour or both and something I'm doing wrong.

My keyblob_key_00 starts 457
I'm not sure if those are console specific, or where I got that from, but that's the one I've been using. I'll try dumping the keys on my main switch and see what I get.

LIY2012 · May 12, 2020

LIY2012 said:
My keyblob_key_00 starts 457
I'm not sure if those are console specific, or where I got that from, but that's the one I've been using. I'll try dumping the keys on my main switch and see what I get.

When you run lockpick_rcm, what key generation does it show?

rblackburnuk · May 12, 2020

Ill send you a PM with what the output is.

rblackburnuk · May 12, 2020

I just want to take the time to mention and thank @lily2012

After asking a ton of question which were always answered quickly and with the guidance given I was able to get my switch to boot and update the firmware so that it would boot with and without RCM.

Although lily2012 is a new member like me I have a feeling he/she is going to be a great asset to this community.

TheAccent · May 26, 2022

rblackburnuk said:
I just want to take the time to mention and thank @lily2012

After asking a ton of question which were always answered quickly and with the guidance given I was able to get my switch to boot and update the firmware so that it would boot with and without RCM.

Although lily2012 is a new member like me I have a feeling he/she is going to be a great asset to this community.

Hi, I am new to the forum, this place is a great resource as I've recently purchased a broken Switch from Marketplace and have been fixing it up. It was dead due to water damage but I have managed to bring it back to life however I am now at the stage where the experience the OP has here is exactly what I have.

I was interested in how this was resolved as it seems the solution was handled offline...

As a summary, same as OP, Switch will not boot, connect it to PC with TegraRCMGui, it doesn't get recognised, take EMMC module out and RCM OK comes up. Then I can put EMMC module back and push a payload. I can also use Jig and RCMLoader with EMMC attached and push a payload. I can see all the details of the EMMC module with no issue, I can back it up etc. I have built an emuMMC on SD card but when I try and boot into atmosphere, I get the logo flash for a second and then screen goes blank nor can I boot into OFW. I have rebuilt the FW and tried wiping but still can't boot into anything. It did manage to boot into the console once but not after that.

I know this post was 2 years ago but was curious if you remembered how you managed to resolve this...

ds34 · May 27, 2022

is the atmosphere version compatible? which switch model do you have? what if you try to boot stock, just pressing the power button? what if you try to launch the emunand or sysnand through hekate?

TheAccent · May 29, 2022

Hi.... so a bit of an update...

I did a backup on EMMC to a new module and it started booting into the OFW, everything seemed to be working as normal. Awesome! I wiped everything to take any CFW off the switch (I think) but now I have a new issue...

I can boot to OFW but if I put the console to sleep via the Power button I can't get it to come out of sleep. I have to soft rest it is in order for it to boot again!

Any thoughts?

ds34 - Switch is a V1

Hardware eMMC Issue when connected to board

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