How To Upgrade Your Smartphone Using OTA Firmware Zip File
All smartphones provide options to upgrade their Android Operating system through System Update. But sometimes update fails to download or install downloaded firmware. In such cases, you can manually update your Android Smartphone using OTA update zip file. This tutorial shows, “how to update/upgrade your Android smartphone” using Firmware zip file via Recovery mode.
YOU ARE STRONGLY ADVISED TO TAKE BACKUP OF YOUR PHONE’S DATA BEFORE PROCEEDING AS THIS WILL ERASE EVERYTHING ON YOUR DEVICE’S INTERNAL STORAGE. IN CASE OF FAILURE, YOU MAY GET A DEAD SD CARD OR YOU CAN LEAVE YOUR DEVICE IN DEAD STATE. THIS TUTORIAL MAY WORK FOR SOME PEOPLE WHILE IT MAY NOT WORK FOR OTHERS. PROCEED AT YOUR OWN RISK. WE WON’T BE RESPONSIBLE FOR ANY DAMAGE TO YOUR DEVICE OR ANY LOSS OF DATA BY ANY MEANS.
Requirements to Upgrade
1. Official Stock ROM / Update.zip file for your smartphone.
2. Take Backup of your personal data as this process will erase all data on your phone.
3. Charge your phone’s battery more than 50%.
How to Upgrade your Android smartphone?
Step 1
Copy downloaded Stock ROM (Firmware) zip file to your SD card and rename it to Update.zip. Insert SD card in your phone.
Step 2
After you have inserted SD card in your phone. Power off your device using power button on your phone.
Step 3
Now go to Recovery Mode by holding down volume up, volume down, and power button together. You should hold these three buttons for 10 seconds and then release. You should see Android robot logo, if you don’t see it, you have to power off your device again and repeat this step again.
Step 4
You will see Recovery Menu on screen, choose wipe data/factory reset and wipe cache partition before installing OTA update zip file on your device.
Step 5
After wiping out data and cache partition, select apply update from sd card and then navigate to firmware ROM zip file you copied to your SD card in Step 1 and select it.
This process is going to take some time. You can have a cup of coffee in meanwhile.
Step 6
After you have successfully installed OTA update on your Android smartphone, choose reboot system now option from Stock Recovery Menu.
Now, your smartphone will reboot and will start with delay for first time. And your Apps will be optimized for new upgraded Android OS. If you face any issues with upgrade, reset your Android smartphone to factory settings. This might solve most of the problems.
Источник
How to Create Android Update Zip Package
There are several ways to install applications or library files to an Android Phone. You can use Market application to find and install or adb command line tool to install or push the files to Android file system. These are all easy to implement for single file but if you have several applications or library files to install at once, it might be better to use update zip file. The update zip file is Android advanced system to install applications or lib files to Android file system using recovery tool. This method is commonly used by rom or theme developers to distribute their package.
Creating an update zip file is quite easy, all you have to do is put the files in corresponding directory in Android file system and an update-script file to copy the files. For example, to install Calculator.apk into system/app and copy libsec-ril.so file into system/lib :
- Create an empty folder (eg. C:\myupdate)
- Create C:\myupdate\system\app folder for Calculator.apk and C:\myupdate\system\lib folder for libsec-ril.so
- Create C:\myupdate\META-INF\com\google\android folder for update-script file.
- Create the update-script file with the following syntax:
Line 1&5 : show progress bar
Line 3: copy s ystem folder from update package to Android’s /system
Note: you should add one extra line at the end of the file (Line 6)
java -jar signapk.jar certificate.pem key.pk8 myupdate.zip update.zip
Note: you can find tutorial on how to sign the update.zip file here
update-script syntax reference (definitions from recovery.c android source code):
- copy_dir
Syntax: copy_dir [ ]
Copy the contents of to . The original contents of are preserved unless something in overwrote them.
Ex: copy_dir PACKAGE:system SYSTEM:
format
Syntax: format
Format a partiti0n
Ex: format SYSTEM: , will format entire /system . Note: formatting erases data irreversibly.
delete
Syntax: delete [… ]
Delete file.
EX: delete SYSTEM:app/Calculator.apk , will delete Calculator.apk from system/app directory.
delete_recursive
Syntax: delete_recursive [… ]
Delete a file or directory with all of it’s contents recursively
Ex: delete_recursive DATA:dalvik-cache , will delete /data/dalvik-cache directory with all of it’s contents
run_program
set_perm
]
Set ownership and permission of single file or entire directory trees, like ‘chmod’, ‘chown’, and ‘chgrp’ all in one
Ex: set_perm 0 2000 0550 SYSTEM:etc/init.goldfish.sh
set_perm_recursive
]
Set ownership and permission of a directory with all of it’s contents recursively
Ex: set_perm_recursive 0 0 0755 0644 SYSTEM:app
show_progress
Syntax: show_progress
Use of the on-screen progress meter for the next operation, automatically advancing the meter over seconds (or more rapidly if the actual rate of progress can be determined).
Ex: show_progress 0.1 0
symlink
Create a symlink (like ‘ln-s’). The
for the target filesystem (and may be relative)
Definition of roots and partitions (from root.c android source code)
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About Lorensius Londa
Passionate web and mobile application developer. Co-founder of TRUSTUDIO, loves programming, Android, aviation, travelling, photography, coffee and gym mania.
Reader Interactions
Comments
hi, its work.. But why i cant do the show_progress? It take very long long time..
not worked
i have this error
error in update scripte
Hey man, thanks for the instructions. For what it’s worth, this worked perfectly for me in modifying an official update from Google; the only catch was, I deleted Google’s certificates in the zip file before trying to sign my own.
Good check list, I am running through it with my sites now .
Great article. I have to use more of these ideas. Thanks.
Thank for your post, i really love it. I will come again.
n Development How to Sign Android APK or Zip Files | All About Web & Mobile Application Development […]
first of all – thanks for the post – is great
my problem, with recovery 3e it does not accept these signed update.zip the only message is “installation aborted”.
seems to open and read the update.zip if i enter “show_progress 0.1 50000” it tooks more time to display the message.
any hints ? thankyou, greez from BR
hw: hero h6 china phone
Adi Martha says
sama…disini juga kena Instalation Aborted setelah nambah key. kenapa ya?
apa karena ga cocok sama versi ClockWorkMod nya? 🙂
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The link was useful..
But from ICS onwards the recovery file checks for a update-binary & updater-script..
It uses the same function with different syntax…
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