Develop Bugs

[Q] Help critical flash problem with my cavalier

After Flash My Cavalier with Japanese Soft Bank rom, the mobile is blocked at the attached screen "TEST ONLY NOT FOR SALE", and i can not even connect it to Microsoft ActiveSync to change the rom, i think the boot flash need to be replaced but i don't know how? since i can't connect with Activesync from the start.
hard reset with both soft keys failed
Any help please?
(see the photo attached)
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i have been advised to flash the old rom using the sd card method
can any one guide me with the link related to the subject please? thanks

can you get into bootloader?. Have you try to flash via sdcard.

yes i can enter bootloader mood, and managed to install many roms but on startup still this black image appear, and i can not flash it by SDcard because (PSAS program of QMAT) can not connect to the cavalier exactly as active-sync

with the help of (OOKba) i managed to fix my CAVA with MTTY program, thank you very much

bricked? (screen frozen on volume up:continue, volume down: cancel screen)

I was trying to boot into download mode by using odin with the file "DirectBoot_CWM.tar" but the battery accidently fell out.
Now everytime i try to start my phone, it actually goes into this screen, and non of the button work. I've tried using a jig but no success. My computer regonizes it since the usb thing pops up but its not regonized by odin.
Is it bricked?
Not my picture, but this is the screen its stuck on.
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bump

Can you pull the battery and get into recovery mode? If not it probably is bricked.

didnt know you could brick it like this

A fellow moderator ( @oka1 ) has given me a possible fix:
You will need to push a stock rom through adb, but you'll need to be in recovery to do so. Are you able to get there?
If you can, just google
push ROM through ADB youtube
Click to expand...
Click to collapse
and find the video that best suits your needs.

I Bricked my Galaxy J6+ can't boot into recovery mode

I have problem, in my case is the Galaxy J6 Plus, appears written in yellow Set Warranty Bit: Recovery, and I can not enter Recovery Mode or Download Mode.
When My Phone starts, the following message appears:
Verification Failure
Unable to restart the device.
Integrity check failed.
You must reset the device to factory default settings.
This will erase all your data.
But the "Reset Doesn't Work" Button
I tried "Volume + Volume - Power, Volume + Power and it still doesn't work
I tried to root using this tutorial
https://www.androidinfotech.com/root-samsung-galaxy-j6-plus-sm-j610f-fn-g-pie/
One of the steps is to install Magisk Manager, patch a bin file, and then flash with odim.
But then it was to reset, and then I forgot and let the phone turn on.
I can't find any tutorials for my cell phone in question.
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do you solve the problem?

how to get my unlock code

hi,
1) i am not able to get my unlock code on my Xperia Z5 Premium
here is the doc i follow, : https://developer.sony.com/develop/open-devices/get-started/unlock-bootloader/#unlock-code
after having the IMEI, i give my mail address and now?? i can't submit the form
2) i'm unable to start in fastboot mode. On the doc : https://developer.sony.com/develop/...der/how-to-unlock-bootloader/#tutorial-step-2
point 3.3 : On your device, press the Fastboot key (Volume up for most devices, see Useful key combinations) at the same time as you connect the other end of the USB-cable.
press fastboot key while connecting usb cable doesn't do everything
thanks for your help

Are you running Windows?
If so, have you checked the device manager.
There should be no Yellow Triangle or Question Mark like this near the S1Boot Fastboot Device
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I didn't get around this yet, but as soon as I got the driver installed, I guess unlocking will become as easy as eating cake...

I actually discovered a solution that could help getting around all this troubles. It's a boot stick called mAid and can be found here

I have a problem with the radio on android

Hello,
I have a problem with the radio on android. After trying to restore the data to factory settings, the android system does not want to get up.
It gets to halfway, shuts down and starts loading again.
Resetting with the "reset" button did not help.
I am looking for information on how to enter recovery mode, what keyboard shortcut. I tried different combinations but to no avail.
If anyone has android software to upload again, please send me. But I'm afraid that without revovery mode it will not be possible to install it.
Any advice/ideas welcome!
Successfully entered Recovery settings. Using a USB keyboard and " alt+Print+i "
However, it is not possible to switch between settings / up and down. The keys do not respond and the buttons on the radio also.
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