Engineering Mode on TCL A30 (MediaTek MT6762)? - General Questions and Answers

Usually I install an activity launcher to get to Engineering Mode, but on this phone, the Engineering Mode APK seems to be missing. Is it downloadable? I also tried the codes from the dialer and they do not work. I

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[Q] Micromax A116 4.4.3 Unofficial Port Engineer Mode Not Available

I installed this: http://forum.xda-developers.com/showthread.php?t=2676896
It's an unofficial Kitkat port for the A116. However, I faced the invalid IMEI problem after installing. I tried everything - MauiMeta, SN Writer (both did not work - my phone didn't go into 'meta mode', and I didn't know what I was doing wrong), restoring IMEI backup with Mobile Uncle Tools, commands in terminal emulator as super user, and engineer mode. Nothing worked. The code for engineer mode was not working either. I could not use either SIM in my phone. Is there a solution to this? I was forced to reinstall the stock ROM, where engineer mode works.

How to root Huawei Mediapad M3 Lite 10 [BAH-L09]

Hi,
I bought a Huawei Mediapad M3 Lite 10 tablet last week. Its model number is BAH-L09. I am in desperate need of rooting this device. I have searched in google for quite a time. But no success. Please help me get this device rooted. I can provide further details of the tablet if required. Please help...
+1
maybe I will never ever buy Huawei Android devices again. There are no Devs - not even AOSP support.
Gesendet von meinem MHA-L29 mit Tapatalk
liveondead said:
Hi,
I bought a Huawei Mediapad M3 Lite 10 tablet last week. Its model number is BAH-L09. I am in desperate need of rooting this device. I have searched in google for quite a time. But no success. Please help me get this device rooted. I can provide further details of the tablet if required. Please help...
Click to expand...
Click to collapse
Any Progress on this I am in a similar situation with M3 Lite 8
liveondead said:
Hi,
I bought a Huawei Mediapad M3 Lite 10 tablet last week. Its model number is BAH-L09. I am in desperate need of rooting this device. I have searched in google for quite a time. But no success. Please help me get this device rooted. I can provide further details of the tablet if required. Please help...
Click to expand...
Click to collapse
This is a Qualcomm Nougat device. You can root using Magisk or a custom recovery. I'll be happy to help.
Do you have the firmware for this model? If not search for it and download first
Hovatek said:
This is a Qualcomm Nougat device. You can root using Magisk or a custom recovery. I'll be happy to help.
Do you have the firmware for this model? If not search for it and download first
Click to expand...
Click to collapse
I do not have the firmware, I looked for a full OTA update on MT and everywhere I could think of but I could not find it. Does Magisk require FW as a starting point? I'm not familiar with Magisk but will now look it up...
jkindem said:
I do not have the firmware, I looked for a full OTA update on MT and everywhere I could think of but I could not find it. Does Magisk require FW as a starting point? I'm not familiar with Magisk but will now look it up...
Click to expand...
Click to collapse
The reason you'll need the firmware is that you'll need either tock boot.img or recovery.img to root. You obtain them either from the firmware or by dumping your phone's firmware
Hovatek said:
The reason you'll need the firmware is that you'll need either tock boot.img or recovery.img to root. You obtain them either from the firmware or by dumping your phone's firmware
Click to expand...
Click to collapse
I ordered an NCKpro box thinking that as advertised I would be able to read the stock firmware from the tablet since it has a QUALCOMM chipset. however after unlocking my device (success), and trying to put it in EDL mode it does not enumerate as a QUALCOMM device, so the NCK module looking for it doesn't work. It seems to enumerate as "android adapter PCUI (COM5)". I have sent multiple messages to the NCK forum but have gotten no response....seems like there is no support from that group and the documentation comes mostly from Hovetec. Amazing that there is no support for the product.
Have you had success trying to read stock ROM off of Huawei with NCK box?
jkindem said:
I ordered an NCKpro box thinking that as advertised I would be able to read the stock firmware from the tablet since it has a QUALCOMM chipset. however after unlocking my device (success), and trying to put it in EDL mode it does not enumerate as a QUALCOMM device, so the NCK module looking for it doesn't work. It seems to enumerate as "android adapter PCUI (COM5)". I have sent multiple messages to the NCK forum but have gotten no response....seems like there is no support from that group and the documentation comes mostly from Hovetec. Amazing that there is no support for the product.
Have you had success trying to read stock ROM off of Huawei with NCK box?
Click to expand...
Click to collapse
I share your frustration with the limited info and support for the box, that's why we're trying to fill that void with our tutorials and videos.
I've been able to backup Qualcomm using NCK Pro Box as explained at https://forum.hovatek.com/thread-22362.html but not yet tried a Huawei Qualcomm . Ensure to see the video and install drivers as instructed (very important).
In EDL Mode, you should have something like Qualcomm HS-USB QDLoader 9008 in device manager not android adapter PCUI (COM5) so its either you've not installed drivers correctly or are not in EDL mode.
Yours is MSM8940 , I believe NCK Pro box should support.
How are you booting in EDL? Using button combo or ADB / Fatboot?
Hovatek said:
I share your frustration with the limited info and support for the box, that's why we're trying to fill that void with our tutorials and videos.
I've been able to backup Qualcomm using NCK Pro Box as explained at https://forum.hovatek.com/thread-22362.html but not yet tried a Huawei Qualcomm . Ensure to see the video and install drivers as instructed (very important).
In EDL Mode, you should have something like Qualcomm HS-USB QDLoader 9008 in device manager not android adapter PCUI (COM5) so its either you've not installed drivers correctly or are not in EDL mode.
Yours is MSM8940 , I believe NCK Pro box should support.
How are you booting in EDL? Using button combo or ADB / Fatboot?
Click to expand...
Click to collapse
Booting in EDL mode using ADB or button presses get me to the same Huawei screen. its orange type that says press the volume up button for 3 seconds to enter recovery mode, otherwise it does a normal boot. When pressing this button it goes into a recovery mode in which I saw in the device manager what I reported previously.... no QUALCOMM. Perhaps this newer tablet has some layer over the base QUALCOMM or it is something new altogether. Oddly the Huawei ultimate module wants to connect in service mode which is set by doing the keypad with the ()()xxx()() code, etc. The Huawei module seems to be able to communicate with the device, but there is no functionality there to download stuff. I can't believe that no one has figured this out or there is no stock images out there for this tablet, but I also found that Huawei pulled all the stock images and updates off the web for their products last September....
I am an expert at installing usb drivers, but perhaps the ones that are in the default enumeration need to be overridden? I tried that but there are 4 different device enumerations of which none are QUALCOMM what was shown in the thread.
Can you think of any other way of getting a stock rom for this?
jkindem said:
Booting in EDL mode using ADB or button presses get me to the same Huawei screen. its orange type that says press the volume up button for 3 seconds to enter recovery mode, otherwise it does a normal boot. When pressing this button it goes into a recovery mode in which I saw in the device manager what I reported previously.... no QUALCOMM. Perhaps this newer tablet has some layer over the base QUALCOMM or it is something new altogether. Oddly the Huawei ultimate module wants to connect in service mode which is set by doing the keypad with the ()()xxx()() code, etc. The Huawei module seems to be able to communicate with the device, but there is no functionality there to download stuff. I can't believe that no one has figured this out or there is no stock images out there for this tablet, but I also found that Huawei pulled all the stock images and updates off the web for their products last September....
I am an expert at installing usb drivers, but perhaps the ones that are in the default enumeration need to be overridden? I tried that but there are 4 different device enumerations of which none are QUALCOMM what was shown in the thread.
Can you think of any other way of getting a stock rom for this?
Click to expand...
Click to collapse
Check the thread at https://forum.xda-developers.com/general/help/how-to-enter-qualcomm-mmc-storage-diag-t3253478
It talks about other backup options using QFIL (HDDRaw) or emmc raw tool. Also look at the Enter Qualcomm HS-USB QDLoader 9008 part which talk of entering edl using eMMC software download (QPST) > Switch device to DLoad; or using EFS Pro - Qualcomm NV Tools > Change mode since adb, fastboot and button combo don't work.
liveondead said:
Hi,
I bought a Huawei Mediapad M3 Lite 10 tablet last week. Its model number is BAH-L09. I am in desperate need of rooting this device. I have searched in google for quite a time. But no success. Please help me get this device rooted. I can provide further details of the tablet if required. Please help...
Click to expand...
Click to collapse
Untill TWRP for this device developed, u can get this device rooted by flashing magisk-patched boot.img.
check here "https://forum.xda-developers.com/general/help/huawei-mediapad-m3-lite-10-custom-rom-t3621619/page7"

How to recover realme phone using EDL mode?

This is for realme xt, but I believe that it is similar to a lot other devices based on qualcomm MSM chipsets.
In my specific case, I have a brand new realme xt phone with a locked bootloader (default from factory). I've upgraded it to latest stock realme Adnroid 10 from realme only to notice that the official unlock tool didn't work anymore. So I've tried to downgrade it from Android 10 to Android 9 stock ROM. It seemed to go ok, but it failed. Now system, recovery and fastboot are unaccessible. When turned on, it only stays at the logo screen.
So, after searching a lot, I've found out that there is a hidden EDL (Emergency Download Mode) from Qualcomm that it is used in situations like this. I've found the stock firmware (official ROMs in a .ofp file format). Since I can't reach recovery or fastboot mode, EDL seems to be the only option.
Again I've serched a lot, including what people would use for other phones, but I can't get any of those EDL tools to work: sometimes either you must have some secret credentials or the software have viruses (and I don't know if it still requires credentials). Other options require the firmware in other file formats: XML, MTN, etc, which I haven't figured out how to extract or acquire. Finally, there are many texts that says that QFIL, etc tools can't be used for realme xt, because they wouldn't be able to write the filesystems.
In my region there is no realme service center, so that's not an option. I've bought the phone from a registered importer, which is also clueless. The phone has all the invoices and related paperwork correct.
So, in a nutshell:
1) The phone is softbricked (hopefully), but requires EDL mode to be recovered. Sending it to a service center is not possible (because of import/export procedures);
2) Where can I find a tool to enable me to revive it to stock ROM (I already have ofp and ozip files)?
3) How can I acquire the required credentials (if necessary) for it to work?
4) Failing 2 and 3, does anybody know of someone who can provide remote services to fix it? (I'm thinking of setting up my computer and someone remotely using their credentials and procedures)
Thank you all in advance for any help. This would be my mother's Christmas gift, It is very expensive for us and right now it is only a very expensive paper weight.

Question Stuck in EDL mode Xiaomi Poco x3 pro

After playing with some custom ROM, my device is stuck in EDL mode. i.e Stuck in primary bootloader. I cannot get to the secondary bootloader. either, recovery mode or fast boot mode.
Solution and issues faced.
Solution 1: Flash original Rom via Mi flash tool.
Issues: Xiaomi restricts the user to flash room when the device is in EDL mode. After some research found only authenticate accounts can install ROM in EDL mode via the mi flash tool. It will ask for EDL authentication. that I don't have access to.
I think the only solution is to somehow reverse back to fast boot or recovery mode and install back the rom.
Has anybody faced such issue and know the solution.
simonastani said:
After playing with some custom ROM, my device is stuck in EDL mode. i.e Stuck in primary bootloader. I cannot get to the secondary bootloader. either, recovery mode or fast boot mode.
Solution and issues faced.
Solution 1: Flash original Rom via Mi flash tool.
Issues: Xiaomi restricts the user to flash room when the device is in EDL mode. After some research found only authenticate accounts can install ROM in EDL mode via the mi flash tool. It will ask for EDL authentication. that I don't have access to.
I think the only solution is to somehow reverse back to fast boot or recovery mode and install back the rom.
Has anybody faced such issue and know the solution.
Click to expand...
Click to collapse
Your device can't be stuck in EDL mode timeless, to get it out of there, you just have to disconnect it from the PC and press the three buttons at the same time for about 10 seconds.
A different thing is that your device can't enter to fastboot nor recovery. Firstly get it out from EDL mode and see which modes are available after that.
SubwayChamp said:
Your device can't be stuck in EDL mode timeless, to get it out of there, you just have to disconnect it from the PC and press the three buttons at the same time for about 10 seconds.
A different thing is that your device can't enter to fastboot nor recovery. Firstly get it out from EDL mode and see which modes are available after that.
Click to expand...
Click to collapse
My secondary bootloader files are corrupted and can't get to it. Have only access to EDL mode. Can't get back to fast boot or recovery mode. The only option found is to somehow install flashable firmware via QFIL and get back to the secondary bootloader to access the flash tool of vendor-specific devices.
simonastani said:
My secondary bootloader files are corrupted and can't get to it. Have only access to EDL mode. Can't get back to fast boot or recovery mode. The only option found is to somehow install flashable firmware via QFIL and get back to the secondary bootloader to access the flash tool of vendor-specific devices.
Click to expand...
Click to collapse
Well, to be clear and not put effort where no results have to be expected; there’s no a secondary bootloader, this device have a fastboot mode (accessed usually pressing PWR + volume down buttons), a recovery mode (usually accessed pressing PWR + volume up), an EDL mode (usually accessed on an unlocked device pressing the two volume buttons at same time while connecting to PC or through test point method), and additionally a user space friendly fastbootd mode that only can be accessed using either ADB or fastboot command, also can be accessed through some custom recoveries in the PWR menu.
If you are totally sure you tried all the combination keys indicated WHILE your device is off, then you have to move it to the next:
- Search for a patched Firehose file either for your specific device or from a device with the same motherboard that can work too onto your device, this is to bypass the Mi account authorization or to work in qfil.
- Search for an engineer firmware for your device, if something exists have to bypass the Mi Flash tool restriction.
SubwayChamp said:
Well, to be clear and not put effort where no results have to be expected; there’s no a secondary bootloader, this device have a fastboot mode (accessed usually pressing PWR + volume down buttons), a recovery mode (usually accessed pressing PWR + volume up), an EDL mode (usually accessed on an unlocked device pressing the two volume buttons at same time while connecting to PC or through test point method), and additionally a user space friendly fastbootd mode that only can be accessed using either ADB or fastboot command, also can be accessed through some custom recoveries in the PWR menu.
If you are totally sure you tried all the combination keys indicated WHILE your device is off, then you have to move it to the next:
- Search for a patched Firehose file either for your specific device or from a device with the same motherboard that can work too onto your device, this is to bypass the Mi account authorization or to work in qfil.
- Search for an engineer firmware for your device, if something exists have to bypass the Mi Flash tool restriction.
Click to expand...
Click to collapse
My device is poco x3 pro. unable to find the patched firehose file..
simonastani said:
My device is poco x3 pro. unable to find the patched firehose file..
Click to expand...
Click to collapse
Man, you are not reading well, it's not so simple like that, I can't give you the exact solution in your hands but I giving you the direction that you have to take in order to find some solution and avoid taking it to a service center, not all countries have one at hand like mine.
- Search for a programmer firehose similar to your device if the exact for your model doesn't exist.
- Search for a programmer firehose for sm7150, it's the same as yours. Take a look here https://www.droidwin.com/patched-firehose-file/
- Search for an engineering/combination ROM for your device (it must be specific for your device, not for a similar one), this is one example https://testedrombd.com/poco-x3-pro-eng-fix-firmware/ some engineering ROM have the ability to bypass restrictions, not always, but it is worth to give it a try.
- And the last resort, exploiting/modifying/editing firehose vulnerabilities, read this https://github.com/bkerler/edl
SubwayChamp said:
Man, you are not reading well, it's not so simple like that, I can't give you the exact solution in your hands but I giving you the direction that you have to take in order to find some solution and avoid taking it to a service center, not all countries have one at hand like mine.
- Search for a programmer firehose similar to your device if the exact for your model doesn't exist.
- Search for a programmer firehose for sm7150, it's the same as yours. Take a look here https://www.droidwin.com/patched-firehose-file/
- Search for an engineering/combination ROM for your device (it must be specific for your device, not for a similar one), this is one example https://testedrombd.com/poco-x3-pro-eng-fix-firmware/ some engineering ROM have the ability to bypass restrictions, not always, but it is worth to give it a try.
- And the last resort, exploiting/modifying/editing firehose vulnerabilities, read this https://github.com/bkerler/edl
Click to expand...
Click to collapse
Yeah. Its not simple. Prior to giving link ,I have tried those methods. Thanks for the information
From my findings.
1. Patch programmer firehose file for sm7150 not found anywhere. Tried using different patch firehose file of other compatible devices that uses 860 chipset. Unsuccessful result.
2. Tried Engineering ROM of Vayu. Unable to bypass restrictions. It ask for edl authentication same as of vendor specific rom. I think the reason is xiaomi restrict user to flash room via edl mode. Still searching some way to bypass authentication.
3. Last resort. modifying firehose and hex files. Need a lot of research.
Didn't find any solution for poco x3 pro specific devices in community.
Can We install 860 chipset flashable frimware of oneplus via QFIL . Need to tried that one. Is it possible.?
simonastani said:
Yeah. Its not simple. Prior to giving link ,I have tried those methods. Thanks for the information
From my findings.
1. Patch programmer firehose file for sm7150 not found anywhere. Tried using different patch firehose file of other compatible devices that uses 860 chipset. Unsuccessful result.
2. Tried Engineering ROM of Vayu. Unable to bypass restrictions. It ask for edl authentication same as of vendor specific rom. I think the reason is xiaomi restrict user to flash room via edl mode. Still searching some way to bypass authentication.
3. Last resort. modifying firehose and hex files. Need a lot of research.
Didn't find any solution for poco x3 pro specific devices in community.
Can We install 860 chipset flashable frimware of oneplus via QFIL . Need to tried that one. Is it possible.?
Click to expand...
Click to collapse
QFIL is slightly outdated, so it needs a special programmer, even I don't know if it can work for new UFSs (or a limited range of them) it used to work for devices with eMMCs.
Xiaomi restricts users to flash in EDL mode using Mi Flash tool (the restriction can't apply beyond this tool).
A firmware from other device definitely will brick it.
Research if the PX3P has a counterpart device, I mean Xiaomi released every year a certain model for Global and the same model (with other name) as it happened i.e. with the Mi A3 and the MiCC9 and other models though, in this case it could be possible that the programmer file for this model could work for you.
Also, I saw on the OnePlus thread a tool capable to flash through EDL, maybe replacing the files it could work, I didn't try it yet.
E eu fui passar a .eu via Fastboot no meu e tava demorando dms... fui e fechai o CMD, e matei meu celular

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