Anyone know how to connect to serial/diagnostic on 5.x - Sprint Galaxy S 5 Q&A, Help & Troubleshooting

Just curious to see if anyone knows how to get a port to connect to, as the DM+Modem+ADB is not offering up a port after 5.x update

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[Q] its possible upgrade andoid OS in a OEM Device ??

this is my question, if it's possible upgrade the android OS on my OEM device (chinnesse device)
i have a chinnisse phone with android 2.1 and i want know if possible upgrade this. something I read about this, I believe that first i need get the Drivers for hardware, it's possible extract the drivers direct of my phone ?
sorry about my english
best regards

How to update Hyundai Rock X800 ?

Hello Guys
I Have a Hyundai Rock x800, a firmware and a method to upgrade
the method obviously mentions this message that I can't find out what it means :
The to confirm equipment enter Rockusb state (Maskrom Loader state belong to the state of Rock usb)
What does it mean ? It means I should have got a device to upgrade the device with rochbatch tool or something else?
I've also seen that some other people tried to upgrade it via TF but I don't know it can be done or not, any helps , any instructions will make me happy

Applike error - Cannot run on your device

Hello peeps! I really wanted to start to use my app so I can get rewards. Unfortunately, after registering I get an error which it cannot run on your device. It is S7 edge running T-Mobile Android 7.0 Nougat. I tried the android emulator but it shows the same thing on my PC. Can anyone help me and tell me why it is causing? I know I am not the only one who has this error. It showed up on my Samsung Tab A 8.0 error, it is very frustrating... Should I contact their support email to resolve it? If you can try your best to fix or show why, please reply! Thanks!

Mobile Software Upgrade

I found this on the official TCL website and thought it maybe useful to the forum
Does anyone have the official firmware download from this? tried updating my device and im guessing the usb cable came lose during the update and bricked the device. hoping ill be able to install and update from the stock recovery. The upgrade tool is saying that my device is more updated than the server

Help on getting KVM-enabled kernel to run on Samsung Galaxy Note 8 (n950f)

Hello, I know this seems crazy, but does anyone know what's wrong with my port of KVM to N950F (Samsung Galaxy Note 8)?
I have A600G and ported this patch to my phone's kernel and it works really well. But when I port the same thing to N950F's kernel, it just stuck at bootloader. `last_kmsg` shows nothing from my KVM kernel, just the message `Starting kernel...` from SBoot and nothing else. The source code can be found on Github here.
Also, I want to ask if anyone has experience with KGDB (Kernel debugger) over USB serial, or other way to debug Samsung Kernel? I tried porting KGDB to this phone (see kgdb branch on github), using the instructions here, but unfortunately the phone just stuck at bootloader screen, and no COM port appears on the computer. Unfortunately I can't teardown the phone to use the internal serial debug port.
Does anyone help an idea for this? Thank you so much!
P/S: I have asked many people on this subject and they just ignore me. And please, don't reply `Too long, didn't read`

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