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    Default 'No OS Installed! Are you sure you wish to reboot?' PLEASE help!

    I dont know much about this stuff (def not tech savvy), but I decided to take my bad esn Sprint HTC One (running 4.3) and try to unlock it myself. I was successful in unlocking the bootloader, and I even rooted the device on my own (woo!!!). I was on the last stage of finally unlocking the phone, so I decided to go for it.

    I tried to follow these steps to finally unlock my HTC One, but I did not know how to go to /system/app to replace the files (The 'Root Reader' app didn't show /system/app in my phone).

    ://forum.xda-developers.com/showthread.php?t=2491840

    The files were:

    HtcOMADM_SettingsPlugin_SPCS.apk
    HtcOMADM_SPCS.apk

    As a result, I tried to flash the copy files mentioned previously using this video as a guide



    I dragged and dropped the copies into the 'system storage' (not into a specific file) and started wiping data in TWRP 2.6 (Im assuming I wiped something that I shouldnt have). However, now whenever I try to boot my HTC One out of TWRP, I get the 'No OS installed..." message and it just just keeps showing the white screen with the HTC logo when I do boot anyways. When I connect my HTC One to my PC via usb cable, it doesnt even show up. I decided to take a screen shot of my files/drives/etc that I used. When I click on the 'instal' button in TWRP, it no longer shows the 'android' folder while scrolling through the list of things.

    What should I do to get the phone working again? Could I unlock it from here or do I have to backtrack or something? I have very little knowledge about this stuff so please try to explain things easily for me lol
    Attached Thumbnails Attached Thumbnails 'No OS Installed! Are you sure you wish to reboot?' PLEASE help!-capture.png  
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    Default Re: 'No OS Installed! Are you sure you wish to reboot?' PLEASE help!

    Quote Originally Posted by Julian Uribe View Post
    I dont know much about this stuff (def not tech savvy), but I decided to take my bad esn Sprint HTC One (running 4.3) and try to unlock it myself. I was successful in unlocking the bootloader, and I even rooted the device on my own (woo!!!). I was on the last stage of finally unlocking the phone, so I decided to go for it.

    I tried to follow these steps to finally unlock my HTC One, but I did not know how to go to /system/app to replace the files (The 'Root Reader' app didn't show /system/app in my phone).

    ://forum.xda-developers.com/showthread.php?t=2491840

    The files were:

    HtcOMADM_SettingsPlugin_SPCS.apk
    HtcOMADM_SPCS.apk

    As a result, I tried to flash the copy files mentioned previously using this video as a guide



    I dragged and dropped the copies into the 'system storage' (not into a specific file) and started wiping data in TWRP 2.6 (Im assuming I wiped something that I shouldnt have). However, now whenever I try to boot my HTC One out of TWRP, I get the 'No OS installed..." message and it just just keeps showing the white screen with the HTC logo when I do boot anyways. When I connect my HTC One to my PC via usb cable, it doesnt even show up. I decided to take a screen shot of my files/drives/etc that I used. When I click on the 'instal' button in TWRP, it no longer shows the 'android' folder while scrolling through the list of things.

    What should I do to get the phone working again? Could I unlock it from here or do I have to backtrack or something? I have very little knowledge about this stuff so please try to explain things easily for me lol
    Can you mount it in recovery? Is the phone's internal storage visible when you select "Mount" in TWRP?

    "In the end, it's not the years in your life that count. It's the life in your years." - Abraham Lincoln
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  3. Thread Author  Thread Author    #3  

    Default Re: 'No OS Installed! Are you sure you wish to reboot?' PLEASE help!

    How do I do that? I put my phone into TWRP mode and clicked 'mount', selected 'cache' and 'data', and selected 'internal storage' and then hit 'ok' while it is connected to my PC and my PC still does not recognize it
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    Default Re: 'No OS Installed! Are you sure you wish to reboot?' PLEASE help!

    Quote Originally Posted by Julian Uribe View Post
    How do I do that? I put my phone into TWRP mode and clicked 'mount', selected 'cache' and 'data', and selected 'internal storage' and then hit 'ok' while it is connected to my PC and my PC still does not recognize it
    Do you have HTC Drivers installed?

    "In the end, it's not the years in your life that count. It's the life in your years." - Abraham Lincoln
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  5. Thread Author  Thread Author    #5  

    Default Re: 'No OS Installed! Are you sure you wish to reboot?' PLEASE help!

    Where on TWRP do I check to see what HTC drivers I have installed? I flash recovered into TWRP and hit 'Install' and didnt see a folder for HTC drivers
  6. #6  
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    Default Re: 'No OS Installed! Are you sure you wish to reboot?' PLEASE help!

    Quote Originally Posted by Julian Uribe View Post
    Where on TWRP do I check to see what HTC drivers I have installed? I flash recovered into TWRP and hit 'Install' and didnt see a folder for HTC drivers
    TWRP won't install drivers. Are you using windows 7 or 8?

    Sent from my One Xl using Tapatalk

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    Default Re: 'No OS Installed! Are you sure you wish to reboot?' PLEASE help!

    Quote Originally Posted by Julian Uribe View Post
    Where on TWRP do I check to see what HTC drivers I have installed? I flash recovered into TWRP and hit 'Install' and didnt see a folder for HTC drivers
    You need to install the drivers on your PC, not on the phone. You can probably get them from the HTC site...

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    Default Re: 'No OS Installed! Are you sure you wish to reboot?' PLEASE help!

    Quote Originally Posted by UJ95x View Post
    You need to install the drivers on your PC, not on the phone. You can probably get them from the HTC site...

    Posted via Android Central App
    He can get it from the HTC Sync software or I have the drivers in a .exe. I just wanted to know what OS he had so I know which one to recommend.

    Sent from my One Xl using Tapatalk

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  9. Thread Author  Thread Author    #9  

    Default Re: 'No OS Installed! Are you sure you wish to reboot?' PLEASE help!

    I am using windows 7. I had android 4.3 (which is the reason I was struggling to unlock the sim). Thing is, how do I install the drivers from my PC to my phone if my phone wont connect to my PC?

    Sorry for being a patience tester, Im trying my best to understand and try to do things on my own, but I really screwed up
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    Default Re: 'No OS Installed! Are you sure you wish to reboot?' PLEASE help!

    Quote Originally Posted by Julian Uribe View Post
    I am using windows 7. I had android 4.3 (which is the reason I was struggling to unlock the sim). Thing is, how do I install the drivers from my PC to my phone if my phone wont connect to my PC?

    Sorry for being a patience tester, Im trying my best to understand and try to do things on my own, but I really screwed up
    You don't need them on the phone. Just on the PC, without them the phone might not be recognized

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    Default Re: 'No OS Installed! Are you sure you wish to reboot?' PLEASE help!

    Quote Originally Posted by Julian Uribe View Post
    I am using windows 7. I had android 4.3 (which is the reason I was struggling to unlock the sim). Thing is, how do I install the drivers from my PC to my phone if my phone wont connect to my PC?

    Sorry for being a patience tester, Im trying my best to understand and try to do things on my own, but I really screwed up
    The PC needs the drivers not the phone.

    Sent from my One Xl using Tapatalk

    "In the end, it's not the years in your life that count. It's the life in your years." - Abraham Lincoln
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    Default Re: 'No OS Installed! Are you sure you wish to reboot?' PLEASE help!

    Here the drivers that will work, Download and double click and let the install.

    HTCDriver3.0.0.007
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    Default Re: 'No OS Installed! Are you sure you wish to reboot?' PLEASE help!

    Quote Originally Posted by benny3 View Post
    Here the drivers that will work, Download and double click and let the install.

    HTCDriver3.0.0.007
    3.0? I found these newer ones: [DRIVERS] Latest HTC Drivers [4.2.0.001] - xda-developers

    I doubt they make a difference.

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  14. Thread Author  Thread Author    #14  

    Default Re: 'No OS Installed! Are you sure you wish to reboot?' PLEASE help!

    Quote Originally Posted by wizzrah View Post
    3.0? I found these newer ones: [DRIVERS] Latest HTC Drivers [4.2.0.001] - xda-developers

    I doubt they make a difference.
    I downloaded these:
    HTCDriver_4.2.0.001.exe
    HTC_BMP_USB_Driver_x64_1.0.5375.msi (My PC is 64 bit)
    SyncManager_2.0.61.0.exe

    Is that all I need?
  15. #15  
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    Default Re: 'No OS Installed! Are you sure you wish to reboot?' PLEASE help!

    Quote Originally Posted by Julian Uribe View Post
    I downloaded these:
    HTCDriver_4.2.0.001.exe
    HTC_BMP_USB_Driver_x64_1.0.5375.msi (My PC is 64 bit)
    SyncManager_2.0.61.0.exe

    Is that all I need?
    You just needed the first one.

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  16. Thread Author  Thread Author    #16  

    Default Re: 'No OS Installed! Are you sure you wish to reboot?' PLEASE help!

    Ok! I downloaded the HTC driver and simply double clicked it to install it. Whats the next step guys? I connected it while its in TWRP and I hear that weird 'bumbumbum' sound and the disconnect sound when I detach it, so Im getting somewhere! Thanks again, sorry if I come across as a retard. Im still learning the basic ropes so keep bearing with me lol. 'No OS Installed! Are you sure you wish to reboot?' PLEASE help!-capture.png
  17. #17  
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    Default Re: 'No OS Installed! Are you sure you wish to reboot?' PLEASE help!

    Quote Originally Posted by Julian Uribe View Post
    Ok! I downloaded the HTC driver and simply double clicked it to install it. Whats the next step guys? I connected it while its in TWRP and I hear that weird 'bumbumbum' sound and the disconnect sound when I detach it, so Im getting somewhere! Thanks again, sorry if I come across as a retard. Im still learning the basic ropes so keep bearing with me lol. Click image for larger version. 

Name:	Capture.PNG 
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ID:	103444
    Are you mounting it?

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  18. Thread Author  Thread Author    #18  

    Default Re: 'No OS Installed! Are you sure you wish to reboot?' PLEASE help!

    UPDATE: I connected the phone while it was on 'fastboot' (white menu thingy) and this popped up! Yay! Now what do I do?'No OS Installed! Are you sure you wish to reboot?' PLEASE help!-capture.png
  19. Thread Author  Thread Author    #19  

    Default Re: 'No OS Installed! Are you sure you wish to reboot?' PLEASE help!

    Quote Originally Posted by wizzrah View Post
    Are you mounting it?
    My HTC Drivers are installed now, I downloaded it while my phone was on 'fastboot' in the white menu screen. Im assuming I flash into recovery and go into TWRP now, what exactly do I have to mount? My PC makes the 'connection found' sound when I plug my HTC in, but it isnt visible on my PC
  20. #20  
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    Default Re: 'No OS Installed! Are you sure you wish to reboot?' PLEASE help!

    Quote Originally Posted by Julian Uribe View Post
    My HTC Drivers are installed now, I downloaded it while my phone was on 'fastboot' in the white menu screen. Im assuming I flash into recovery and go into TWRP now, what exactly do I have to mount?
    In recovery, there is an option called mount. Mount the sd card to see if your PC will find it.

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  21. Thread Author  Thread Author    #21  

    Default Re: 'No OS Installed! Are you sure you wish to reboot?' PLEASE help!

    I chose 'Mount', then selected partitions 'cache', 'data', and 'system, then selected 'storage:internal storage' and then 'ok', but it didnt work. Then I noticed this pop up on my pc :/ 'No OS Installed! Are you sure you wish to reboot?' PLEASE help!-capture.png
  22. #22  
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    Default Re: 'No OS Installed! Are you sure you wish to reboot?' PLEASE help!

    Quote Originally Posted by Julian Uribe View Post
    I chose 'Mount', then selected partitions 'cache', 'data', and 'system, then selected 'storage:internal storage' and then 'ok', but it didnt work. Then I noticed this pop up on my pc :/ Click image for larger version. 

Name:	Capture.PNG 
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ID:	103449
    Check all the boxes in mount. Isn't there an option that says sd card? Also, are you using a USB 3.0 port?

    "In the end, it's not the years in your life that count. It's the life in your years." - Abraham Lincoln
  23. Thread Author  Thread Author    #23  

    Default Re: 'No OS Installed! Are you sure you wish to reboot?' PLEASE help!

    I'm using USB 2.0 I think. It doesnt let me check off 'usb-otg', it just turns the font blue and the horizontal column its in light grey when I select it instead. Also, the HTC One doesnt have an sd card slot at all, its just a 32gb internal storage. So now Im kind of stumped
  24. #24  
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    Default Re: 'No OS Installed! Are you sure you wish to reboot?' PLEASE help!

    Quote Originally Posted by Julian Uribe View Post
    I'm using USB 2.0 I think. It doesnt let me check off 'usb-otg', it just turns the font blue and the horizontal column its in light grey when I select it instead. Also, the HTC One doesnt have an sd card slot at all, its just a 32gb internal storage. So now Im kind of stumped
    SD Card is referring to the internal storage. We can try ADB Sideload.

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  25. Thread Author  Thread Author    #25  

    Default Re: 'No OS Installed! Are you sure you wish to reboot?' PLEASE help!

    I tried to sideload it but I think I did something wrong
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