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How to install Android ROMs with .nb0 file extension

sutlr application to flash .nb0

Installing custom ROMs on your Android phone with Clockwork Recovery is easy – you can accomplish this in a matter of 6 minutes if you follow the procedure right. How about if you get a custom ROM with .nb0 file extension? It took me quite some time to figure this out. But, it’s simpler than the Clockwork Recovery process!

sutlr-application How to install Android ROMs with .nb0 file extension

Here’s how you do it:

  1. Download the desired ROM with .nb0 extension and unzip it to your hard disk (not on your phone’s SD card)I’ve compiled a list of working ROMs for Motorola XT502 (Commtiva Z71 variants), and some of them are .nb0 files
  2. Download this application, SUTLR v1.7.0, unzip and install on your computer (this uploading.com sucks; please try to download this from some other server you might find)
  3. Connect your phone to the computer via USB
  4. Power off you phone and restart in DOWNLOAD MODE (for Commtiva Z71 variants – long press red button + volume up + power)
  5. Start the SUTLR application you installed in step 2
  6. Click next, locate your .nb0 file
  7. In the drop down below, select Erase user data and click next
  8. That’s it, the software will flash the .nb0 on to your phone

Your phone will reboot – as good as new!

Please share if you find this useful…

Thanks to Dex on Boston Mania!

51 Comments

  1. Mr007

    Heh, sounds quite easy! It reminds me the good old times when flashing my Symbian devices.
    I will take a look right on this method at the time to flash my phone.
    Thanks as usuals.

  2. how can i back again to cyanogen after i installed a rom which has .nb0 extension?

  3. Sérgio

    when i’ve the phone pluged (usb) and try to execute te SUT LR the phone can’t connect to computer, SUT LR say that “Phone is not conected”

    • What phone do you have? Are the drivers installed properly? Also, you’ve to put the phone in DOWNLOAD mode and then connect it to the computer, and start SUTLR. Hope this helps!

  4. Let me know how to create a backup of Stock Rom before flashing .nb0 file..

  5. Mr007

    Hi Naren, DOWNLOAD MODE goes in some kinda weird loop showing the following line: Finish polling, oemsbl_mode_test = 1
    SUT wont work, and gives error always.
    Any idea on whats going on?

    • Can you elaborate what you mean by SUT won’t work? Does it say phone connected or not? If the phone is not getting detected, it’s a simple driver problem.

      • Mr007

        Sure, When in step 4 (Download mode) the phone goes in a looping state just showing this: Flash Men: SAMSUNG_ blah blah… Incoming download mode, Finish polling, oemsbl_mode_test = 1 (this last sentence lasts till I remove the battery, in other words, it never ends), while SUT LR fills the preogress bar in a second to finally show some kinda error related to “Task 1 of 2, Download Image…Init mode=Emergency Download Mode.

        • Well, the polling will continue in a list fashion – nothing wrong in that. The SUTLR doesn’t recognize the phone? If that’s not the case, ‘m not sure what kinda problem you’re talking about. Are your sure of the .nb0 file? Make sure it’s downloaded properly…

        • Carlosvictor

          Hey, how did you fix your problem? I have the same issue and cannot solve it. 

          • heyn

            I know I’m replying to an old post, but in case it helps anyone else: look for Motorola XT502 GRECO Official Rom 2.1 and try to install that first. For me, it installed through SUTLR 1.7.0 even though I had the Finish polling, oemsbl_mode_test = 1 problem and other ROMs would not install (Emergency Download error). With the Motorola ROM installed, the polling message in download mode changed to another one, and I could install the last Phantom ROM (for now, enough of an upgrade for me, I was coming from Android 1.6).

  6. Mr007

    Hi Naren, good news (for meh :P) I got Recovery Mode again.
    RomManager has screwed my recovery with Clockworkmod, but thanks FASTBOOT its working again.

    BTW. Im pn stock 1.6 still.
    Now the question: In your opinion, which one is better (performance/battery/etc):
    SuperBler v4.2 or Jellybean?

    Eagerly awaiting for your answer my friend. You got a good sense of usability about Android ROMs.

    • Mr007

      BTW, could you upload your original XT3 recovery please? I know it will be for 2.1 but maybe if I flash my phone with this recovery and then try to put an original XT3/5 2.1 recovery… who knows.

    • I’ve tried SuperBler v4.0 and v4.1, but not v4.2. I’m running on JellyBean right now and I’m liking it very much. Try JellyBean 🙂

  7. Sridher

    i do i install .nb0 ROM from linux ?

  8. Xionz802

    EXCELLENT!! I LOVE YOU MAN!

  9. Ash

    Hi… I have Moto xt3 and i have tried the clockwork method for ROMs…but din like CM cos its buggy… so wanted to try out this method… I have followed all ur instructions but i gwt the foll error in SUT… Please help me…

    Update process fails with below error!Error Code: 0xf626Error: Task 1 of 2, Download Image(QC,OEM,AMSS,APPSBT,aBOOT,aSYS,aRCV,aSPL,aHID) fail,Error = QPD_ERROR_ARMPGR_hello_TBUFFER(0xF626).Init Mode = Emergency Download Mode.

    • What happens when you try to restart the phone? In most cases, if you’re able to reboot without errors, the installation was successful. 🙂 It happened to me too, but not sure if this is the same error you’ve mentioned above.

      • Ash

        No errors when i restart my phone… but still the rom is not flashed… 🙁 I tried this with Cloclwork image, A88 image and even d stock img…Still no good…. Is there any other way of installing this … all d good roms come in .nb0 form…. Is there any way i can find the .zip version too…???

        • try getting into recovery mode, and do a full wipe. Then try with SUTLR.

          • Ash

            K ill try tat… which do u think is d best ROM for Xt3…???

          • All Phantom ROMs. Currently, I’m using SuperAosp RC2 without any major glitches. This ROM is not perfect, but trillion times better than the CM7! Waiting for Phantom to come up with his version of 2.3.4!

          • Jedchendude

            The AOSP ROM is pretty cool, but how do I put it in English instead of Italian?

          • Go to settings, scroll down, click on the portion beside symbol ‘A’ and select English!

  10. Tanvirmoulvi

    Hi I installed tis Rom. after installation the IMEI no shows unknown. Please help

  11. tanvir moulvi

    Hi I installed SuperAosp-ST@-Boston-8.6-AW (2).zip Rom. after installation the IMEI no shows unknown. Please help

  12. Miguel

    Happened the same. Doesn´t recognize SIM. doesn´t connect to network !!!

  13. tanvir moulvi

    Can anyone help us and show the way out. many seem to have the same problem, after installing SuperAosp-ST@-Boston-8.6-AW (2).zip Rom the IMEI No shows as unknown and the phone does not connect to the network. 

    Request help immediately.

  14. can you upload your roms somewhere else other than uploading.com. it socks like hell

    • I know! Uploading.com sucks! I’m also a victim of this unreliable file hosting service as I get the links from boston-mania website. I can’t upload to a different site because my upload speed sucks over here.

      • Siroyaji

        Hi Ubiquit Team:
        I had bricked my Moto Quench XT3 by rooting and then deleting the dialer. That resulted into “process.android.com” missing error. In order to correct it tried to do factory reset. All hell break loose, it won’t go beyond Welcome screen. Upon googling learn about RSD lite. But that method did not work. Then I read your forum and it worked. Thanks. First it also it not do the trick. But then I read in this discussion that do a complete wipe and retry. It has worked. Thanks again.
        – Regards, Mehul

  15. Jatin Football

    my motorolla quench xt5 is stuck in the boot image. it shows the moto sign and enter recovery mode on the the top left corner what am i supposed to do ??? i am not able to install a new rom !! plz help i have cyanogenmod 2.2 
    !! thnk u 

    • Jatin Football

      i also wanna switch coz cm7 is very buggy and my wifi doesnt work at all so plz plz help asap i will be very grateful thnk u !!!! 

    • You should check my latest post on SuperOSR 2.0.1 and also the comments. It will guide you install and enjoy a nice ROM!

  16. Bpanonia

    I tried to update my motorolla quench xt5 to android 2.3 , and after one mistake, my xt5 stacked in the boot image with moto sign. I lost half day on useless instructions. Only this guide helped me to install back android 2.1. Thank you.

  17. Bhupesh Juneja

    i update my phone 2.1 to 2.2 now it getting restart again and again…what can i do now…pls suggest

  18. Mjmedel24

    For the ones Getting download error. it must have been the device need to be connected to the main usb root hub. like at the back of the pc. but sometimes even at the back of the pc, there is an extention for the root hub which is slower. only a theory I guess

  19. Joel Rhine

    very helpful man…..thank u very much!!!

  20. Gauravvig

     SIR PLEASE TELL ME WHICH NBO FILE WILL BE THERE >>TELL ME THE LINK FOR NBO FILE……… WHEN I UPDATE MY PHONE XT5 THROUGH SUT IT SHOWING SOME KIND OF ERROR AFTER FLASHING ROM IMAGE PLEASE HELP ME SIR PLEASE

  21. Brad Carbuncle

    my computer does not recognize my phone.

    it keeps saying device not c0nnected

  22. John Smith

    Great straight forward guide! Thank you. Very helpful.

  23. John Alfred

    does this require root access?

  24. New Games

    Just wish to say your article is as surprising. The clarity
    on your publish is just cool and that i can think you’re a professional in this subject. Well with your permission allow me to take hold of your RSS feed to stay updated with imminent post. Thanks one million and please carry on the gratifying work.

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