Understanding S1 Service mode - General Questions and Answers

Can anyone help to understand S1 Service mode (not a fastboot) ?
For example, Sony device [ vid: 0FCE ; pid: ADDE ] also like [ SOMC Flash Device ]
Where I can get more information about this ? from what to start ? something about structure / commands etc. Would be great to see anything without sniffing and debugging usb traffic <_<
Can I, for example, push bootloader into RAM then access to its commands such as loading something into addrX then to start evaluation from that addrX and so on. How about without emmc (CPU + RAM only) ? How about u-boot?
I started from problem here (I also have trim-area (TA) backup, but...):
https://forum.xda-developers.com/showpost.php?p=76505189&postcount=714 (phone is not mine)
Mainly I can't think of how I can inspect emmc on hardware problems without soldering at all because I have no Z3X or something else. So I can programming only via USB and some other related things if it's not so hard to prepare at home manually.
Anyway, would be great to solve or at least understand this problem in details.
So any suggestions for more understanding this bug or S1 Service are very welcomed!

Well, looks like emmc is dead. Don't know why ( Samsung KLMAG2GEAC-B001 ).
Unfortunately, but I still have no any information about mentioned S1 mode. Thus I can't understand is it possible to redirect most common requests for emmc to sd card.
That is, something like to use preloader for allocating in upper range of RAM the our modified loader. Then writing and running at this address which will provide information about emmc from another way. +TA/Boot/...
hmm, I think I will not spend my time for this device today anymore However, any info about S1 still is actual of course.

ah yes, don't know the good place for writing about the following tips below (move it if you need). Just my bonus for everyone when I was checking mentioned device above:
[ Sony Xperia Z Ultra C6833 ]
* Found UART:
1. RX
2. TX
3. GND
4. VCC is not required.
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Click to expand...
Click to collapse
* Solution to charge the Xperia Z ultra battery with very low voltage (less than 2.6v etc) without phone but still through battery controller:
! Strictly observe the polarity of the connection. Otherwise it will be corrupted. !
Click to expand...
Click to collapse
Click to expand...
Click to collapse
Click to expand...
Click to collapse
3.8+ it's okay now:
Click to expand...
Click to collapse
* About Test-point you should already know where it placed from other topics otherwise, find the red dot from first image above

Related

Help to solve problems " Mid sharpixels InfoTMIC m009f " ( Solved )

First send a cordial and affectionate greeting to all users of the forum admin and mod :good:
I have left this tablet to try to solve a problem with the wifi, plug it in and cut a few seconds.
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I've been researching this tablet and there is nothing specifically for her.
I have some doubts:
1) The factory brings Rom does not have the ability to factory reset it, you might not have root. In total reset option but does not give anything.
2) Nor has the USB debugging option so I can not connect to the PC, connect and no response
---------------------------------
A real headache, I have EXPERIENCE in other tablet but with this or not and where to start.
- This tablet shaped enter in "Recovery" from the beginning ?.
I've been playing with the keys of power + menu + center key and varying options but does not enter into recovery mode.
- Is there a way with everything explained to charge any firmware ?.
I think it read in this thread the adapter is 24 Pin, s but the manual firmware loading indicates the need to connect the USB tablet.
- What would be to avoid mistakes most appropriate firmware according to the information provided ?.
Thank you very much anticipated by the aid.
Best Regards :laugh:
[m009f clone] Rooted firmware and a couple of tweaks for the PITA
I found this possible solution, but there is no way to connect
USB this tablet.
[m009f clone] Rooted firmware and a couple of tweaks for the PITA
I tried with Windows XP but the application for flash new firmware
not detect the connection, not even Windows detects a new device.
Any ideas or possible next steps according to experiences?
Thank you very much.
SOLVED !!!!!
SOLVED!!. :good: :good: :good:
For information and help other users with the same or similar problems
with these tablet based on Chip: InfoMIC m009f.
http://www.techknow.t0xic.nl/forum/index.php?topic=2971.msg33306#msg33306
Best Regard

[Tutorial] How to Connect Sony DriveLink (MirrorLink) With Galaxy S4

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How to Connect Sony DriveLink (MirrorLink) With GS4
Full credit to AuRoN89 for uploading HERE.
Intro
This is a tutorial for how to use Sony's car system(s) to their maximum potential. I cant guarantee this works with every model, however, because I only have the XAV601BT (seen in picture above). Before you do this, you need to make sure the latest firmware is installed. For a guide on that CLICK HERE.(NOTE: This link is for the XAV601BT. If you have a different device, go HERE, enter your model number on the bottom left, and click "Update to the Latest Firmware")
Step 1: Enable "Unknown Sources"
From the Home screen, tap Apps > Settings > More tab > Security.
Tap Unknown Sources.
A check mark is displayed to indicate it is active.
This is to make your phone allow the instillation of the modded DriveLink.
Step 2: Download the Mod
On your phone, go to the following link (I will post mirrors at the bottom):
www.sestogomme.it/drive_link/DriveLink.apk
Click to expand...
Click to collapse
Step 3: Install
Now, from the Home screen, tap Apps > Downloads > DriveLink.apk.
You should see this:
Scroll to the bottom, and hit Install.
Note: This app does not cost money. The reason it says that is because it has the ability to answer and make phone calls/texts.
Step 4: Connect to USB
Finally, you need to open MirrorLink on your system. Connect your phone (use your charger cable), and the DriveLink application should instantly start.
Note: You will still get an error on the system when you plug your phone in saying the phone isn't compatible, but you can just ignore it.
Conclusion
I really hope this could help! I spent a while troubleshooting this problem, and luckily found a working link by AuRoN89. It managed to save me money on an additional navigation system. If you have any questions or concerns about this, I will try my best to help. I didn't make this modded version, so I can't answer any questions about what was changed. This guide was simply made as a resource for other people who couldn't find any information on this.
Mirrors
​

Impossible to reinstall a rom after root

Hello guys,
I'm new here, I've read a lot about your different topics and I'm admirative for some level god members with their answers :good: :laugh:
Indeed I'm a dev, but for websites so it's a bit different with phones for me, and I will try to explain as detailed as I can.
I have a samsung SM G965F, bought in Poland (I work here for the moment); And indeed tried to root it for private purposes.
I followed a tutorial; I was on Pie 9 (****tiest ever update for me); from there OEM in DEV tools was activated, and the TWRP was installed.
the phone wasn't root, but I had the TWRP options (when push Volume up+bixby+lock) so thought I'm on the good way, but only after, and there is my mistake, I understood by reading something that I should make faster an operation when enabled the OEM (before it start to delete all my infos) that I should switch to recovery mode (or installation) and if not there was a story with 7 days to wait.
So the phone was just reseted with only memory card datas not deleted, and the phone was working, just the OEM always disabled, and when you select to enable it it says "ok we reboot the phone you will loose all your files etcc..." and anyway after many attempts, it says always the same after the reboots, and never is enabled after. So I tried to install a new rom, and then I thought I had a problem, in the installation it was written "Secure Check Fail : PIT".
So I tried to found the right rom, with the number "6" inside as per this screen :
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Then the Secure Check Fail : PIT dissapeared and now its just Fail in Odin.
Also, I tried to reboot normally but it says that there was an error and I need to reinstall with smart view or smart touch, I don't really remember, so I just reinstalled the first TWRP and now the screen of my phone is looping on Samsung, and rebooting.
I'm lost, I spent from 3pm to 4 am yesterday in the internet to found a solution, so my final option is write to ask your help guys.
Hope you can help me, thank you in advance
PS: Sorry for the big picture, there is no acceptance unfortunately for resizing codes, or maybe I just still don't have access to this option cuz I have less than 10 messages, if need delete it or explain me if you need pictures, I did it 10 min ago, even if there is not a lot to do because i'm limited with my phone now

[Discussion] [Question] Android hardware/software structure.

Update:
My phone was not recognized by the computer since the usb flex was broken, the data lines did not work, but the charging lines did.
Watch this video for a solution:
Hello!.
Can someone who understands the subject explain to me how the startup architecture of an android device works at the hardware/software level.
I recently completely lost control of my android device, after some problems flashing a corrupt rom. I don't understand if I deleted any important files or what happened, but my device is not detected by any computer, leaving me unable to use adb or any USB flash tool. I also don't know if this problem has to do with the usb card, since this, if it sends power, the device charges, and is detected by the computer as a generic usb.​
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Hard brick / Device not found. Sony M4 Aqua E2303.
I installed a faulty ROM which caused my phone to not be detected by my computer (it shows up as an unknown device). I want to flash the original rom, but there is no way, because when I do it with the flashtool and it asks me to connect the...
forum.xda-developers.com
Gretings!
RenzoMag said:
Hello!.
Can someone who understands the subject explain to me how the startup architecture of an android device works at the hardware/software level.
I recently completely lost control of my android device, after some problems flashing a corrupt rom. I don't understand if I deleted any important files or what happened, but my device is not detected by any computer, leaving me unable to use adb or any USB flash tool. I also don't know if this problem has to do with the usb card, since this, if it sends power, the device charges, and is detected by the computer as a generic usb.​
Hard brick / Device not found. Sony M4 Aqua E2303.
I installed a faulty ROM which caused my phone to not be detected by my computer (it shows up as an unknown device). I want to flash the original rom, but there is no way, because when I do it with the flashtool and it asks me to connect the...
forum.xda-developers.com
Gretings!
Click to expand...
Click to collapse
The "device descriptor request:failed) issue is more than likely not a problem with your device, it is more commonly a problem with your PC or your device drivers that are installed on your PC.
If you do a Google search for:
"Unknown USB device(device descriptor request: failed)"
It should find links to guides and videos with troubleshooting steps to solve this issue. Try the methods they describe, sometimes you have to repeat the solution several times before the issue is corrected.

BV4900 Pro systemupdate and brick

Hello everybody!
Yesterday, on 28 of December, I had a massage on my BV4900 pro that a systemupdate is now ready to be installed.
After download of 2,48 GB file the installation went on, the phone started in the next step. On the screen was this white circle and the installation-progress was shown under. After the update was completted, the phone didnt start. The screen ist black. I cannot do anything with it. I tried to flash the firmware or at least the preloader with sp-flash-tool, but cannot. The connection to sp-flash-tool is with 100% but then I see under device-manager is "Media Tek PreLoader USB VCOM (Android)". So the flash-tool does not flash. I tried with volume buttons to stop the battery-loading, but withou sussess. What can I try more to save the phone?
Some more informations: The red LED ist on, when the phone ist connected to pc or power-supply. The phone was rooted. The last android version: 12
And maybe this picture will help:
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Just a Hint:
Do not flash preloader! preloader is responsible for preloader mode (which used by SP Flash Tool)
Do not use "Format all + Download" option. Formatting whole emmc will brick device.
regarding your issue. follow the recommendations of your screenshot.
aIecxs said:
regarding your issue. follow the recommendations of your screenshot.
Click to expand...
Click to collapse
Yes, I did it already. Nothing helps.
I spend the second day with this problem and do not come forward.
you already tried another cable and another PC? then probably usb jack is faulty. you shouldn't flash anything via usb then!
I am not the one who told you - you could try other flash tools. do not flash, just try to read back for now...
https://www.xda-developers.com/bypass-mediatek-sp-flash-tool-authentication-requirement
https://github.com/bkerler/mtkclient
Somebody else, who maybe has an idea?
I found this discription of the error:
The phone seems always be on. With power button I can only "restart" it. How can I shut it down?
Is there a tool I can use for switch the phone off?
Or maybe cmd-command for shutting down the device on com-port? I cannot find anything in internet. Only with adb. But I have no connection to adb, the phone is over adb not rearchable.
Maybe someone can show me the test point for this smartphone?

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