Hi All
So, I am a little confused about how to replace my kernel. My mate has a nexus one, and his boot loader allows him to load a kernel from USB into ram to test it which is pretty sweet. If its broken, just power cycle and it gone.
I have managed to compile a gt540 kernel from the sources provided by LG, with some extra modules - hid bluez, iptables, cifs and usb host. But I am at a loss as to how to test this.
From what I can gather, the boot loader is separate from the internal file system. Obviously the nexus one has an awesome boot loader already, but I can't make my gt540 load a boot loader screen.
I had a look at (but didn't install) ClockworkMod Recovery but that doesn't look like it will help me either. I don't want to just replace the zImage kernel file on the filesystem with my new built one by hand, and reboot - if it goes wrong how do I get the old one back?
Is there anyway to have both the kernels on the device, and choose which on to load just like a big-boy computer? I am currently running Quarx 2.1 Black Edition ROM.
Sorry if this has been answered elsewhere, I had a pretty good look and couldn't find anything.
My whole goal is to be able to get some hardware buttons talking to my phone so I can play snes If I can't get an hid bluetooth profile going so i can use a bluetooth keyboard, I'll use usb host mode with a hacked up joypad with batteries inside (if the usb port doesn't supply power).
I think that it would have to be on like a memory card. Maybe some software that when you boot your phone, it will give you the option to boot from phone or memory card. That would be good! Like a bootable dvd in a computer, gives you the option to boot from it or not.
Sent from my GT540 using XDA App
Right, I worked it out. I didn't realise what "fastboot" mode was for. The rom I have installed has a fastboot already, so I turned the phone off and held volume up, search, and power all at once until the fastboot screen appeared.
Then, I plugged in my phone to usb and waited a few seconds running "./fastboot devices" - the fastboot command comes from somewhere, I am not sure where.
The output was :
Code:
[email protected]:~/android-sdk-linux_x86/tools$ ./fastboot devices
???????????? fastboot
[email protected]:~/android-sdk-linux_x86/tools$
Then, I ran the command:
Code:
[email protected]:~/android-sdk-linux_x86/tools$./fastboot boot ~/android-ndk-r4b/GT540_OpenSource_V2.1/kernel/arch/arm/boot/zImage
and it appeared to boot the kernel I built
I haven't confirmed that the kernel is the correct one, but at least I have a process that /should/ work. I need to recompile the kernel with a different version.
I try to connect my HTC Touch with my PC; windows 7 x64 but nothing happen
computer doesn't see the phone. Tried in recovery mode but doesn't connect. always loop with something like:
"usb: set adresse 2"
"android_usb gadget: full speed config #1: android"
etc
any help would be appreciate.
Since I do not have phone plan and want to use it as a personal agenda I really need to be able to sync it with my pc
thanks alot
Did you flash this phone to a newer kernel? If I recall, the .32 version kernels do not allow USB connectivity as of yet. You'd have to go back to a .25 kernel (and update the modules after flashing) in order to get USB working again.
Good luck!
hmmm sorry i'm a noob but...
do you mean the "windows kernel" or linux one? (android)
I use the step by step guide to install android (http://forum.xda-developers.com/showthread.php?t=636024)
I made this update too: http://www.htc.com/ca/support/touch-telus/downloads/
thanks for your help
Android.
Your .32 kernel will allow you to connect to a Linux PC, though, I connect mine to a 64-bit Ubuntu machine regularly to add music files.
Ok it work now with another NBH file...
ok, it work only in Recovery Mode
and since I wanna sync my outlook with Jorte I need to get USB in Android
BTW My astro doesn't work? Like if it was a demo.
I was wondering if it is possible to transfer files from my Z1 to a linux desktop without installing any softwares?
Currently I think I am unable to do so because the option of USB Connection Mode is greyed out, rendering me unable to do anything about it unless I install the software (as depicted here)
And thus, are there any 3rd party apps that I can install or tweak some settings in my phone so that I can transfer files?
Salik89 said:
I was wondering if it is possible to transfer files from my Z1 to a linux desktop without installing any softwares?
Currently I think I am unable to do so because the option of USB Connection Mode is greyed out, rendering me unable to do anything about it unless I install the software (as depicted here)
And thus, are there any 3rd party apps that I can install or tweak some settings in my phone so that I can transfer files?
Click to expand...
Click to collapse
Most devices nowadays (if not all of them) use MTP to transfer files from and to the device. MTP is not well supported under Linux as far as I'm aware, there are a couple of guides out there to get it working, you shouldn't have too many issues finding those by using Google.
Personally I prefer to use ADB to transfer files between my device and my desktop, you'll have to have some experience working with the terminal, it's not hard though.
Samsung Galaxy S10
Android 10
TWRP
Rooted with Magisk
I just put my phone in ultra power saving mode, but unfortunately i cant unlock the lockscreen because i disabled samsung keyboard and now there is no keyboard where i can type in my password, and since i am in power saving mode it also disabled my other keyboards
So i tried removing the screenlock by deleting the locksetting files in /data/sys/, but since my phone is encrypted i can only see nonsensical filenames, so i dont know which files to delete
Can i safely delete every file there ?
I dont want to factory reset my device because i have a lot of important data on it
I already tried to remove the lock using https://findmymobile.samsung.com/, but it says that that function is disabled on my phone
I have no physical keyboard that i can plugin in into my phone
Remove /Bypass Lockscreen With Recovery
Recently when i restored my data using TWRP i faced a problem at lock screen. I was not able to unlock my phone with the pin i set Earlier..So after so many attempts i was able to find a solution for that problem.(works with pattern,pin etc)...
forum.xda-developers.com
Can i safely delete the other files too ?
Because i dont know which encrypted filenames correlate to the files that i have to delete
EDIT: Thanks, i solved it by connecting a USB Keyboard to my phone using an USB-OTG connector included in the package of my Galaxy S10
If the device supports OTG, you can try connecting a full size PC USB keyboard via OTG.
I went through similar situation when I changed screen render resolution to less than half, then accidentally locked the phone, the keyboard and Screen-Guard were rendered at low resolution, and lock screen was not interactable.
The only way to restore that without prior arrangements was to flash stock Samsung ROM, via PC, with carefully choosing options to not format internal storage and data partitions.
If you have custom recovery, you could enable insecure USB debugging options in build.prop that always allows USB debugging via ADB, then re-install Samsung keyboard, or find some other solution with ADB.
If you have custom/twrp recovery, I'd say connect to PC in recovery mode and copy to PC all important files from /sdcard just in case.
Old Android versions like Android-5 had build.prop files where you could force USB debugging for development uses, that would Allow ADB even the device was locked.
I am not aware if newer Android versions allow that.
Once you get to TWRP, you need to use
Bash:
vi /system/build.prop
Or just
Bash:
echo "text-lines" >> /system/build.prop
To the build.prop file
in command line and enable debugging mode.
The build.prop lines :
Forced USB debugging
Harshiv989 said:
Old Android versions like Android-5 had build.prop files where you could force USB debugging for development uses, that would Allow ADB even the device was locked.
I am not aware if newer Android versions allow that.
Once you get to TWRP, you need to use
Bash:
vi /system/build.prop
Or just
Bash:
echo "text-lines" >> /system/build.prop
To the build.prop file
in command line and enable debugging mode.
Click to expand...
Click to collapse
I cant access /system/ from twrp, it just says that there is not such folder despite it being there, but i think that i have enabled debugging anyways and i already made a backup, which is somehow useless because of the encryption
Harshiv989 said:
If the device supports OTG, you can try connecting a full size PC USB keyboard via OTG.
Click to expand...
Click to collapse
I read in several other threads that in ultra-power-saving mode, android only allows USB devices to charge the phone, and i have no keyboard that i can plug in anyways, i cant buy one because everything is locked down (COVID)
The only way to restore that without prior arrangements was to flash stock Samsung ROM, via PC, with carefully choosing options to not format internal storage and data partitions.
Click to expand...
Click to collapse
As far as i know i cant just flash stock firmware without having to wipe my data
If you have custom recovery, you could enable insecure USB debugging options in build.prop that always allows USB debugging via ADB, then re-install Samsung keyboard, or find some other solution with ADB.
Click to expand...
Click to collapse
How could i reinstall samsung keyboard ? I have no access to the pm command in the twrp shell, and the files are encrypted anyways
Another related thing: https://forum.xda-developers.com/t/...-galaxy-s10-e-5g-exynos.4180287/post-84456927
I see that with combination of FBE, UPSM and disabled Samsung keyboard, you have put yourself in far more idiotically constrained situation than I had, as well as what Samsung devs imagined was possible.
With encrypted file system, you wouldn't even be able to flash an update.zip that includes a build.prop (from your stock ROM)with forced ADB enable-ment lines from recovery I guess. ( this is different than doing it from developer options, allows adb access without unlocking device )
I would still suggest you to charge your phone 100% and attempt a HW external keyboard method,
I am willing to bet Samsung was not stupid enough to block USB I/O devices at kernel level in UPSM.
You don't necessarily need to buy a new keyboard, just find one that connects to PCs via USB, wire or wireless dongle, either should work (no RGB/W backlights in keyboard if wired, we want a low powered keyboard, smaller if possible), from any other computer geek you know, and an OTG connector.
I have always been able to flash the stock ROM that only rewrites /system partition, and leave /data mostly untouched, have done it numerous times with odin, with new devices, you should be able to do that.
The device encryption is a hurdle which severely limits your options.
Also, my UPSM allows both wifi, and Bluetooth, if you had either of them ON, you could use a Bluetooth keyboard or debugging via wifi, if Bluetooth keyboard was previously paired(it auto connects), or wifi debug feature was set up already , ADB access might be possible, though wifi ADB is more secure, unlikely to work in locked screen guard state.
funny the most command and most upvoted answer for this issue on the internet for the average joe (not xda) is to reset the mobile.. disgusting reallly.. i also cannot imagine do the massive reconfiguration for this trivial issue. just had the gboard disappear and took a really short time to plug PC keyboard and an adapter i always have with me.
plug and play to the rescue...
Hello Realme X2 Pro owners,
I am lately facing an issue where I tried to transfer a movie to the phone through USB and the progress bar proceeds only for some time and then stops. The file is not transferred. However small files like the subtitle files and other pics are copied over. I have tried the usual steps
restarting phone and PC
changing the USB type to file transfer from the drag down
toggling the various options in developer mode for file transfer and pic transfer
enabled and disabled USB debugging.
I had tried to unlock the bootloader to install a custom rom last month; however as the new update does not allow the fastboot option it did not allow the deep check app to run completely. AM not sure if this has anything to do with it. I am still on the STOCK Realme 1.0 March update.
EDIT: Miraculously it now works. Nothing changed, nothing done.
So glad to hear that. Next time, maybe you can try a third-party program like Coolmuster Android Assistant to help you do that. Such program can help you add videos to your phone via USB cable easily. Hope this will be your help.