- Title: P780 Android 4.4.2
- Listed: August, 2014
- Last modified: 01/27/2015 7:04 pm
- Version: Android 4.4.2 KitKat
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DESCRIPTION
Lenovo P780 ROW ROM Android 4.4.2, pre-rooted, with TWRP recovery
This is a signifiant upgrade to Lenovo P780 ROW, Android version 4.4.2 KitKat. The interface (launcher, lock screen) are similar to those found on VibeUI ROM, but with more available languages and without the China-specific apps installed.
This is a pre-rooted SPFlash format package, allowing you to install hassle-free the factory ROM. All user data stored within internal storage will be lost, make sure to backup your data before installing it. I only tested on P780 with 4GB, but it should work fine on 8GB ROW version too.
There are some zip files attached here, they also may contain standard android zip updates or updates from the factory, untouched.
The only differences between this ROM and the untouched 'ROW' (Rest of the World) official ROM are:
- recovery TWRP version 2.7 (the official recovery is also provided) is included
- this one is pre-rooted with clockworkmod superuser
The ROM will be updatable over-the-air, but TWRP recovery and/or root may be lost on future official OTA updates.
After the first boot, Security and Power Manager apps will ask for root privilege. They do work very well without having superuser privilege, it's safe to deny forever root acces for both of them.
How to install
Common prerequisites:
- Use lenovo backup and restore (or TWRP recovery) to do a backup of your data to SD Card (apps, contacts, messages, call logs), you will be able to restore them later with settings/backup and restore feature.
- connect the phone to PC, enable USB debugging, install Lenovo drivers if you didn't already, do a backup of your IMEIs with MTK Root & Tools app
- optional step – Install ADB drivers for the phone, use MTK Root & Tools to backup IMEI
- install SPFlash tools (version 3.x works fine) and the drivers for Mediatek VCom port
- Download the package, unzip it to a folder, open SPFlash tools, make sure you have the 'DA DL All with checksum' activated, click on 'Scatter file', select the file "MT6589_Android_scatter_emmc.txt", make sure all the records from the spflash window are ticked and have a file associated to them on 'location' column.
- power off the phone, make sure you have unchecked the 'Fast boot-up' (or similar) option on the phone
- connect the usb cable to the phone, click on 'Firmware upgrade', connect the other usb cable end to PC, wait for the green circle to appear.
- disconnect the phone, power it on, wait for a longer-than-usual startup
- deny root access requests for 'security' and 'power' apps
- optional – restore IMEI with MTK Root & Tools
Update
I added the P780-ROW-S221 package for spflash tools, having TWRP 2.7, root and busybox preinstalled. This can be used either as a full install package, no matter what ROM version you run now, or can be used to update existing phone without affecting user data, if your device currently is running P780-ROW-S220.
If you currently have ANY ROM and you want a 'clean' install, use the procedure above.
If you currently have P780-ROW-S220 and want to preserve existing data and downloaded apps, after loading the scatter file untick 'cache' and 'usrdata' partitions and then click on 'download' button on SPFlash tools instead of 'Firmware upgrade'.
Update 2014-12-07: P780_ROW_S226_140919_TO_P780_ROW_S227_141121_WCF9.zip
This is an incremental update from version S226, it can't be installed without having P780_ROW_S226 on device. Installing the factory update alone will not affect the existing modem firmware, but it will disable root. This incremental update can be installed as a zip update, no need for SPFlash.
To install it, download the zip to SD card (and ClockworkMod Superuser if you want root, you can take it from here), reboot to TWRP recovery (with Mobile Uncle Tools or 'adb reboot recovery' command), install BOTH zip files, then reboot. If you do not need root, then you can ignore references to superuser.
Update 2015-01-27: P780_ROW_S228
While this is an incremental update from version S227, I packed it in SPFlash format. This allows installation regardless of existing ROM. It has TWRP and root.
Users of P780_S22x can upgrade to S228 prserving existing data/settings by ticking only "ANDROID", "PRELOAD" and "UBOOT" within SPFLash screen and unselecting the other memory partitions.
What's new: updates to modem image (now at version P780.V24), slight changes to SystemUI and other telephony related updates.
Common post-update actions:
- use settings/backup and restore to bring back contacts/messages/call logs
- think twice before applying the OTA updates, you will likely lose root and/or custom recovery when using the official updates.
- hit the 5 stars button under 'Author rating' on this page and take into consideration to use the paypal button above to make a donation to me! This allows me to test more, to get more devices/roms and to post updates faster.
The baseband contained within this ROM is for ROW (rest of the world) hardware version of Lenovo P780, 2nd SIM will not work if you use it on non-ROW (for China) devices. If you're unsure if your device is ROW or China, look at the text on the battery. If the text it's mostly chinese, then you have the non-ROW hardware version of P780.
Known issues
- After loading the scatter file, SPFlash tools version 5 does not automatically populate the 'preload' segment, you will have to tick it and browse for the actual location of 'preload.img'. SPFlash version 3.x does not exhibit this behaviour
- If you forget to tick 'DA DL All with checksum', the phone will fail to boot, with a 'DL fail' message. Fortunately, the flash operation can be done once again. Just power the device off (pressing 'power' for about 10 seconds), disconnect the usb cable, start over the installation.
- the P780_ROW_S221 official update will restore factory recovery and may prevent superuser from working properly. To use root with S221, you have to download the S220 to S221 zip update above and the superuser zip to SDCard, reboot to recovery (with mobile uncle tools or ADB reboot recovery), go to 'update', apply the the update zip, do not reboot, apply as update the superuser zip, select reboot on recovery, answer 'do not fix root' if questioned. It's important to apply both zips at once. Power on the phone, with a root file manager rename /system/recover-from-boot.p to something different, such as 'recover-from-boot.bak', power off the phone, reflash the recovery from the first archive with spflash tools, make sure to uncheck all the partitions except 'recovery' and to have 'DA DL All with checksum' ticked.
Disclaimer
Manipulating ROM without proper knowledge may lead to undesired results, such as an unusable device. You agree that the resoponsibility if you lose data, or time repairing the device, belongs entirely to you.
※Please make a backup of your device before installing or updating ROM
Hi, I just tried to 228 the my 4GB p780, got the green circle.
I did all possible backup (IMEI, baseband, scatter file etc…)
But the phone is bricked qnd I am completely stuck : Phone doesnt start boot or anything comes in the screen (tried all possible button combination, home + volume up/down + power etc) phone doesnt even light up.
When I plug the phone, my device manager shows unknown usb device, (the SP driver were installed to do the flash)
Any idea what I can do to update / fix the usb driver so that I can reflash my phone?
Thanks a lot! (I'm on windows 8.1 and I rebooted to allow install of digital not signed drivers)
Sorry for late response, I didn't follow responses via e-mail.
Try reflashing with the alternate preloader.
Hi Enterco,
I want to use this update on my non-Row P780 (S227). I understand that I have to re-install the correct baseband for Chinese/non-Row P780 after upgrading in order to have dual-sim. Is this correct?
Regards,
Antoine
That's correct.
After placing the modem image from Baseband P780.V101.2014/03/12 (CN) into /system/etc/firmware, make sure you set mode 644 (rwxr-xr-x) to it, ES File Explorer in root mode works fine for this purpose.
Hello Enterco,
I have been using all your updates since S220 so far without any issues. They were all working fine as expected on my P780 8GB ROW – thanks for the great job!
Just downloaded the package for S228 update. When I try to unzip the package before flashing I get error msg from differnet zip-software about the preload.img file. I download the package again and will try – hope this was only download problem?
regards,
Mark
that may happen if you deleted some contents of the /preload partition. The OTA update is doing a couple of checks on existing preloaded apps, which may fail of those were deleted. The issue should disappear if you use one of those 'update procedures'
a) re-flash from S226 archive only the PRELOAD partition,
or
b) if you use the updated S228 zip to flash ANDROID, PRELOAD, BOOT partitions
Hi again, as told also in the other thread, I too would like to install the S228 (spflash version – working also for those who made changes in default sys apps as far as I have understood) into my not-Row (chinese modem) P780… any suggestion?
Again Many thanks in advance!
Hi again. After downloading again, no problems to unzip S228 anymore.
For all, who want yo use this update on 8GB ROW version of P780 the good news.
It is working perfect.
Thanks again for the great job.
Mark
Hello,
I try-ed to install this rom but not working,
I folow this steps:
- connect the phone to PC, enable USB debugging (can I use the new drive from MyComputer)
- install SPFlash tools
- Download the package, unzip it to a folder, open SPFlash tools, I have the 'DA DL All with checksum' activated, click on 'Scatter file', select the file "MT6589_Android_scatter_emmc.txt", I'm sure all the records from the spflash window are ticked and have a file associated to them on 'location' column.
- power off the phone, I have unchecked the 'Fast boot-up'
- connect the usb cable to the phone, click on 'Firmware upgrade', connect the other usb cable end to PC,
- and nothing, nothing has happend
Where I wrong?
You need to install the VCOM driver. one. The VCOM driver will enable your SPFlash tools to be able to communicate with your Android phone. This is the Link for the driver Download file. It installs on both all Operating systems, but on windows 8 and above, google on how to install it on windows 8 pc. I wish you good luck
I found. This was my wrong "connect the usb cable to the phone, click on 'Firmware upgrade', connect the other usb cable end to PC," I used "connect the usb cable to the phone, connect the other usb cable end to PC, click on 'Firmware upgrade"
The problem now, SIM2 not working
Hi,
Use the alternate modem image, Baseband P780.V101.2014/03/12 (CN)
Unzip the file, copy modem_3g_n.img it to /system/etc/firmware, set mode 644 (rw-r–r–) and reboot the phone.
Of course, you need a root file explorer to be able to write to under /system
I just flashed my phone with Lenovo_P780_S228_ROW_PreRooted_TWRP (732 dls), but the phone is no longer booting. And when I press the power button, the phone will not even power at all. It now looks completely dead with no hope of it being powered. Am so much worried
Joenan, on our private conversation you sanid the phone has been fixed. Can you post the 'revival procedure' here ?
I had to use this https://www.needrom.com/downlo.....-android-4-4-2/ to flash my phone which is having the number 140724 behind the battery. I had to select the preloader from this rom called "preloader_prada_2014". And After flashing the phone. the phone was able to boot well without any problem. I am very happy my phone is now revived. Thank you for your help.
hello,
Thanks for the work
I have already an OTA 4.4.2 p780S228_150112_row rom instaled on my p780 but i have a very bad signal, and I have try a lot of thinks to root it whithout sucess.
is it possible install this update to change the rom…and how : flashtool says "bad format" ?
Hi carbon,
Please use spflash tool version 3.14xx, there is one available on this page.
Other versions may or may not like some of the room files and crash. This version always worked for me.
There may be no improvement using this s228 package regarding signal, but at least you got root.
Make sure you use the correct PRELOADER segment!
THANKS MAN! IT'S WORKING VERY CRAZY!!