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Tutorial O+ 8.91 FIRMWARE/STOCK ROM TO UNBRICK YOUR PHONE

Discussion in 'Android Firmware & ROMs' started by Lawliet_1, Aug 18, 2015.

  1. Lawliet_1

    Lawliet_1 Support Team Staff Member Support Team

    "DOWNLOAD THESE FILES"
    Firmware Here --> Please or Register to view links
    Firmware Here --> Please or Register to view links
    Firmware Here --> Please or Register to view links
    VCOM Driver --> Please or Register to view links
    Alternative Driver --> Please or Register to view links
    SPFlashTool --> Please or Register to view links

    "Use WinRar or 7zip to extract the firmware"
    "Extract the files to your desired folder"
    "If you encounter error in flashtool, use different version of it."

    "I suggest to use 32bit Windows OS for compatibility of the driver"
    "You can also use 64bit version, just disable driver signing or driver signature before installing the driver."
    Installing Driver with AutoInstaller
    First try the Alternative Driver, which is the Please or Register to view links. Just open the install.exe then it will automatically install the driver. To fully check if the driver is correctly installed in your computer.
    Follow these steps:
    1. Turn off your phone (always powered off is a must)
    2. Press and hold volume up or down, or you can simple press the two button.
    3. Insert your USB cable without releasing the VOLUME button(s).
    4. In your computer, it must detect your phone and it will install the MTK Preloader or Mediatek USB VCOM driver.
    5. Repeat 1 to 4 if it does not detect your phone.
    6. If MTK Preloader/Mediatek USB VCOM Driver is installed you are good to go in flashing your phone
    Installing Manually using VCOM Driver


    When installing it manually your phone must be turned off, then connect it to your computer/laptop while pressing VOLUME UP or VOLUME DOWN. This will detect and look for the driver.
    [​IMG]
    1. This is the first time that you will connect your phone and it will search for the correct driver.
    [​IMG]

    2. Check include this location ... ... and click on browse. Look for USB VCOM Driver and Click on 2K_XP_COM folder if you are using Windows XP or Win7 for Windows 7 and then press OK when you are done picking the right folder for the driver.
    [​IMG]


    "Your Phone must be turned off when you are ready to connect and flash your phone"

    Flashing
    1. Launch FlashTool (flash_tool.exe)
    2. In Flashtool, Click on Scatter-Loading, and load your scatter file. (see example below)
    [​IMG]

    3. After you load the file, UNCHECK PRELOADER and DSP only (Never flash preloader and DSP if available in firmware) If you can't proceed flashing without these two files then proceed at your own risk, press Press Download to Flashyour Phone.
    [​IMG]

    4. After you press Download Follow these steps
    • Turn off your phone (always powered off is a must)
    • Press and HOLD volume UP or Down or you can simply press it simultaneously
    • Insert your USB cable without releasing the VOLUME button(s).
    • Keep on repeating until Flashtool detected your phone.
    5. If successfully detected just wait until the progress bar reaches 100%. If your phone did not automatically turn on after flashing, remove battery and USB cable. And put back your battery then turn on your device.


    "Hard reset your phone after flashing"

    Some workarounds: (only do this if your expiriencing the given errors)
    If you encounter PMT_Changed error here is what you do:
    In Latest version of Flashtool


    1. PMT_CHANGED error occur when firmware is not compatible with your phone. Sometimes your phone has a different board version. You should check it too, if your firmware is compatible with your phone.
    2. Try Firmware upgrade
    3. Try different version of flashtool
    4. Try to set Format All + Download
    5. Or try Manual Format first then Download.

    If you encounter Privacy Protection Password:

    1. Open flash_tool.exe
    2. Load the scatter file
    3. Goto Format Tab
    4. Click on Format except bootloader
    5. Press Play/Start Icon
    6. Then remove battery
    7. Insert the battery again
    8. Insert the USB cable (you should hear a beep on your computer, and it should proceed in formatting.)
    9. After done formatting proceed in Flashing.
    10. Goto Download tab (I assume that you loaded the scatter file already)
    11. Uncheck PRELOADER (this is very important)
    12. Press Download
    13. Then remove battery
    14. Insert Battery again
    15. Insert the USB cable (you should hear a beep on your computer, and it should proceed in flashing or downloading the firmware in your phone.)
    16. Power ON the phone after flashing.
    17. Restore your IMEI.
    For Invalid IMEI (Does not work in MT6571 SoC):

    1. Root your phone via vRoot/iRoot/Kingoroot or your preferred method in rooting you device. Your phone must be rooted first.
    2. Download MTKDroidsTool version 2.4.8 and version 2.5.3
    3. Enable your USB debugging in Developer Option (you also need this in rooting your phone via PC)
    4. Okay in your PC -- Open MTKDroidstool version 2.4.8 (Mtkdroidstool.exe) first. Make sure that you connected your phone already.
    5. Still in Mtkdroidstool -- Click ROOT
    6. In your phone -- A pop up dialogue will appear, just grant or allow it.
    7. In your PC -- If root shell is granted/allowed, Click in IMEI/NVRAM tab. If it is grayed out this is the time when you open the MTKDroidsTool version 2.5.3.
    8. Enter your original IMEI
    9. Click Replace
    10. Reboot your phone
     
    Tulfaz, Pukyotan, jarcell and 2 others like this.
  2. derx

    derx El Vampiro Staff Member Moderator

    Lahat ba ng O+ phones android? Gusto ko sana itong ilipat sa Android Unlocking & Rooting Section para mailagay kong Sticky Thread eh.

    What do you think boss Lawliet_1Lawliet_1 ?
     
  3. Lawliet_1

    Lawliet_1 Support Team Staff Member Support Team

    parang di naman bagay pang sticky boss kase pang O+ 8.91 lang ito :D may iba't ibang firmware pa para sa ibang model ng O+ :)
     
  4. derx

    derx El Vampiro Staff Member Moderator

    Ah okay. sige diyan na lang. Thanks for the clarification. :D
     
  5. boss Please or Register to view links medyo late na pero baka naman pwede mag tanung ng tut para sa o+ 8.52 8gb android ko .. bootloop din kasi pero ok pa ang recovery nya dinala ko na sa mga pagawaan di nila maayos .pep[ot.JPG 0+.JPG

    any suggestions lang po
     
  6. kelangan pa po ba nitong nakaonline ?
     
  7. anong upgrade po ang meron sa o+8.91 jellybean 4.2.2?
     
  8. tnx ts try ko muna to fb later tnx tnx
     
  9. ts ayaw e, ganun din probs ko ky boss l3nnox...my iba pa po bng paraan..tnx tnx
     
  10. Help naman po, Yung 8.91 ko po hindi na-oopen pero kapag sinalpakan ng charger, naoopen pero hanngang logo lang, tapos after 5 seconds automatic na mamamatay po. Help po pls TIA (y)(y)
     
  11. Help naman po, Yung 8.91 ko po hindi na-oopen pero kapag sinalpakan ng charger, naoopen pero hanngang logo lang, tapos after 5 seconds automatic na mamamatay po. Help po Lawliet_1Lawliet_1 please
     
    Last edited: Nov 4, 2015
  12. Thanks po dito, nakakatulong po talaga :)

    ang tagal po mag.boot up, success po ba ito? Please respond.

    WORKING!
     
  13. O+ 8.52 rin sana kailangan ko mga ka PHC
     
  14. Kailangan po ba may Charge yung batteRy kapag ifaflash na ? Yung sa kaibigan ko po kasi pinaayos nya,ang sira po eh di na nagbubukas yung phone peRo nadedetect kasi bigla nalang namatay tapos yung pagkatapos i flash ng nagaayos eh pinabayaran na tapos yung pagkaopen nya gumana tapos within ilang minutes lang namatay na ulit tapos di na sya naoopen ulit.Kapag tinatry ko naman pong ayusin naiinstall lang yung USB PORT Na MTK tapos pagkasaksak sa Pc nagddc na ulit sya.Pag tinary ko naman po sa flash tool NO RESPONSE daw na 4001 error.HeLP PO SANA
     
  15. tulong naman po di ko madownload yung mga firmware... Di na po ba sya available as of now?
     
  16. pa help po ng 0+ 8.38 na bura ko kasi ung android system.ngayon nawala ung brwser and ketboard nya..paano gagawin ko para maayos o maibalik ung full sytem,,tnx
     
  17. thanks dito. need rom pag may nagpaayos sakn ng o+ haha.
     
  18. pwedi ko ba gamitin yankc na dele os ng 0+ 8.91 ko ehh???


    taz pwedi sa cp nlng i install yan
     
    Last edited: Oct 5, 2016
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