No OS installed.. HELP - Oppo F1

So i was accidentally wipe all data on my phone and after it finished i got "no OS installed! Are you sure wish to reboot?" and if i reboot my phone its bootloop... :crying: :crying:
What should i do now..

You'll want to boot into recovery mode and install the latest ColourOS rom. Download and save the rom to a SD card mounted on a PC first. Then, put the SD card back into the phone, boot into recovery mode and select the ColourOS rom.

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Help please

Hi i have my asus transformer and i flashed twrp 2.2.1 touch for it. I was having trouble clearing data and formatting it. I had a rom Revolution hd on the internal sd. so i flashed clockwork mod latest and rebooted to recovery. i cleared data skipping /data/media for the internal sd card. then when i went to try to flash revolution hd it appeared as if the internal sd was wiped. i checked everything and it appears as twrp did clear data but still just kept saying fail. mow im stuck with clockwork which only reads internal sd and no boot cuz it got formatted by twrp too. i have tried adb and nv flash etc but cant get any working. my computer doesnt recognize my transformer for nothing. im on WINDOWS 7 ultimate 64 bit. i have tried mostly every possible fix but doesnt work. i have also tried download mode but no luck. IM THINKING LINUX MAY BE THE WAY TO GO??? ANY SUGGESTIONS???
Had you taken backup of current ROM ? Do you have external SD card ? In my case, all the backup from CWM recovery is kept in external SD card only. Otherwise, you can try to MOUNT the SD card from recovery, I think it is in advanced option. If you are able to MOUNT, then you can copy the ROM and flash it again.
If you can get APX mode working (holding vol up,down and power at same time at boot) and your computer recognizes it, give whitekidneys EasyFlasher a go (http://forum.xda-developers.com/showthread.php?t=1688012) to get TWRP back on, then restore back ups etc as gurung_vishwas1 said they are located on the external sd card. try updating TWRP to the latest version also
gurung_vishwas1 said:
Had you taken backup of current ROM ? Do you have external SD card ? In my case, all the backup from CWM recovery is kept in external SD card only. Otherwise, you can try to MOUNT the SD card from recovery, I think it is in advanced option. If you are able to MOUNT, then you can copy the ROM and flash it again.
Click to expand...
Click to collapse
im on ClockworkMod Recovery v5.5.0.4 roach-tf101-r2 i dont see an option to mount the sd card. Yes i had a backup too but it got wiped off when twrp wiped data but kept saying fail. I think it was just a bad flash of twrp.
JoinTheRealms said:
If you can get APX mode working (holding vol up,down and power at same time at boot) and your computer recognizes it, give whitekidneys EasyFlasher a go (http://forum.xda-developers.com/showthread.php?t=1688012) to get TWRP back on, then restore back ups etc as gurung_vishwas1 said they are located on the external sd card. try updating TWRP to the latest version also
Click to expand...
Click to collapse
I tried many times on different usb ports but no luck. I still get USB DEVICE NOT RECOGNIZED.
1eddie5 said:
im on ClockworkMod Recovery v5.5.0.4 roach-tf101-r2 i dont see an option to mount the sd card. Yes i had a backup too but it got wiped off when twrp wiped data but kept saying fail. I think it was just a bad flash of twrp.
I tried many times on different usb ports but no luck. I still get USB DEVICE NOT RECOGNIZED.
Click to expand...
Click to collapse
Thing of Doom will be able to help you much better then i can. The only thing i can think of is to install asus sync, which i belive comes with all the required drivers. Or you could try the universal naked driver (http://forum.xda-developers.com/showthread.php?t=1514942) but i havn't used it so i dont know if it will work for your situatio.

[Q] One S in recovery loop

Hi! I have One S rooted and custom ROM PACman flashed. I used clockwork recovery.
Today, I tried to flash a kernel named Bulletproof. I used CW to flash it. After flashing, my phone is not starting, It has gone into recovery loop. If by using the volume button I go to hboot and then to recovery, to reinstall the ROM, it stays in CW for just few seconds and then restarts again. If I try to perfom some actions, it says SD card not mounted.
Need help please ASAP!
Regards,
Mohib
Mohib86 said:
Hi! I have One S rooted and custom ROM PACman flashed. I used clockwork recovery.
Today, I tried to flash a kernel named Bulletproof. I used CW to flash it. After flashing, my phone is not starting, It has gone into recovery loop. If by using the volume button I go to hboot and then to recovery, to reinstall the ROM, it stays in CW for just few seconds and then restarts again. If I try to perfom some actions, it says SD card not mounted.
Click to expand...
Click to collapse
Go into Fastboot USB and flash the stock recovery - http://dl.dropbox.com/u/92451927/STOCKS4.img
Then boot into bootloader, click recovery, this should fix the unmountable SD Card bug.
Then when the phone attempts to boot, soft rest the phone then load into bootloader. Click on fastboot and when it says fastboot USB flash TWRP 2.3.3.0.
Reboot the phone.
kylepont said:
Go into Fastboot USB and flash the stock recovery - http://dl.dropbox.com/u/92451927/STOCKS4.img
Then boot into bootloader, click recovery, this should fix the unmountable SD Card bug.
Then when the phone attempts to boot, soft rest the phone then load into bootloader. Click on fastboot and when it says fastboot USB flash TWRP 2.3.3.0.
Reboot the phone.
Click to expand...
Click to collapse
Ok I did this and flashed TWRP. It didn't work, so I flashed CW again. It rebooted. It showed the bootscreen of PACman and then rebooted to recovery. I then tried to install zip from the SD, but it said can't mount sdcard!
Whats going wrong?? Any suggestions?
Reinstall the stock recovery and then click Clear Storage on the boot loader screen. You will lose everything on your SD card. Then repeat the rest of the above process as normal. I can't remember if I said to flash the boot.img before installing the OS, but if you didn't flash the boot.img before installing the OS then do that.
Sent from my One S using xda premium
kylepont said:
Reinstall the stock recovery and then click Clear Storage on the boot loader screen. You will lose everything on your SD card. Then repeat the rest of the above process as normal. I can't remember if I said to flash the boot.img before installing the OS, but if you didn't flash the boot.img before installing the OS then do that.
Sent from my One S using xda premium
Click to expand...
Click to collapse
Oh thank god its done!!
I cleared the storage and reflashed the recovery and boot.img. But the phone didn't start. So I went to recovery to "install from sd", but it said that there are no files (as I had cleared the storage). Then I got the idea to mount it as USB from the mount menu in CW. It worked and I copied the ROM to SD card and installed it from the recovery. Now my phone is alive again!!
Thanks for you help!

[Q] Asus TF101 stuck at booting

Hello, I have an ASUS TF101, it was running on android 4.0.3 before i decided to root it and install a custom rom on it. This was my first time and i messed up. After rooting, I downloaded the ROM Manager and installed clockworkmod recovery. Then i downloaded the cyanogenmod rom for my tablet and placed it in the internal sd card. After this i booted the system and went in the Clockworkmod recovery stage where i cleared the cache and made the format of the device. then after 10 minutes sth went wrong and the screen froze. Now i am stuck in the boot when ever i try to turn on the tablet. When i go to the CWM Recovery it does not let me install the custom rom and says the sd card cannot be mounted.
Please help me . I want a solution to this. even if it takes to go back to the stock android I am ready to do that but please tell me how to.
Thanks a lot in advance. Tarun
tarunnanda1611 said:
Hello, I have an ASUS TF101, it was running on android 4.0.3 before i decided to root it and install a custom rom on it. This was my first time and i messed up. After rooting, I downloaded the ROM Manager and installed clockworkmod recovery. Then i downloaded the cyanogenmod rom for my tablet and placed it in the internal sd card. After this i booted the system and went in the Clockworkmod recovery stage where i cleared the cache and made the format of the device. then after 10 minutes sth went wrong and the screen froze. Now i am stuck in the boot when ever i try to turn on the tablet. When i go to the CWM Recovery it does not let me install the custom rom and says the sd card cannot be mounted.
Please help me . I want a solution to this. even if it takes to go back to the stock android I am ready to do that but please tell me how to.
Thanks a lot in advance. Tarun
Click to expand...
Click to collapse
boot in recovery mode, and then reset to factory.

[Q] Help needed !! phone not switching on.

Hello ,
I have installed CW recovery and CM 11 on my rooted nexus 5.
then wanted to format my sd card ,so for that i went to CW recovery from boot and did all formats mentioned in it.
And came back to the sd card to install CM 11 again from sd, but sd card was wiped off.
now i am not able to switch on my phone.
It just stays in the "google" screen itself.
Please help me how to put back it to any working state.
PS:I have not backed up phone..
krishna chandra said:
Hello ,
I have installed CW recovery and CM 11 on my rooted nexus 5.
then wanted to format my sd card ,so for that i went to CW recovery from boot and did all formats mentioned in it.
And came back to the sd card to install CM 11 again from sd, but sd card was wiped off.
now i am not able to switch on my phone.
It just stays in the "google" screen itself.
Please help me how to put back it to any working state.
PS:I have not backed up phone..
Click to expand...
Click to collapse
Can you still get into recovery? If so use adb to push the ROM to the phone.
Why did you format everything and the SD card... That as you found out wipes everything out. Even if you had a backup on the device it would of wiped it. You should always keep a backup of the device and efs saved off the device to a PC.
Hold the power button for 20 seconds, that'll turn off the phone. Then boot into recovery and adb push a Rom to it. If you can't do that then fastboot flash the factory image
Sent from my Nexus 5
Thankyou guys for your comments~!
I finally figured out.
To fix this what i did was
1.to boot the phone , pressed volume volume down+power.
2.installed the CW recovery using adb.
3.went in to the CW recovery and selected "install zip from sideload".
4.installed CM 11 succesfully using adb.
5.done!!
Now everything looks good but
my sim card is not getting detected.
I doubt the radio software didnt install at all.
Please let me know if i need to install any other software or i am missing something here!!

[Q] MTK6577 - Prestigio PAP4500DUO - Recovery mode loop

My phone is Prestigio PAP4500DUO and it has the MediaTek chipset.
It is rooted, and ClockworkMod should be there...
Couple months ago I repartitioned my phone so i could install more apps.
I resized Internal Memory Card in order to get more space for the internal storage.
Yesterday I needed to clean all data from the phone. I formatted SD card and Internal Memory Card and initiated factory reset from the settings.
After the reboot phone is showing boot logo and going to the recovery mode, rebooting and going to the recovery mode all over again.
I believe this is the boot loop problem.
Unfortunately I can't use fastboot mode to recover operating system because It seems it isn't supported (adb reboot options get no results (loop) while fastboot devices sees no devices). Download mode neither. And as I said, I can't get into Recovery mode to use recovery ROM because phone is automatically restarting.
Only tool that is available to me is ADB which can be accessed when my phone is in the factory mode.
Please help me! How can I repartition system again, or how can I apply recovery options.
Thank you very much!

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