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Custom ROM install - Firmware Backup

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SAngeli
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Default Custom ROM install - Firmware Backup

Hi,
I have to install CM11 on three different smartphones, being Galaxy SII, S4 mini and another one.
I wish to ask how can I create a firmware backup of default factory setting phone so that if I wish to go back to original device I can restore the Samsung Firmware.

I have never done it though I am trying to document myself on the Internet.

What are the tools and the steps in creating a firmware backup? Obviously, I will factory reset the device before doing so.

Thank you
 
Aronuser
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Quote:
Originally Posted by SAngeli View Post
Hi,
I have to install CM11 on three different smartphones, being Galaxy SII, S4 mini and another one.
I wish to ask how can I create a firmware backup of default factory setting phone so that if I wish to go back to original device I can restore the Samsung Firmware.

I have never done it though I am trying to document myself on the Internet.

What are the tools and the steps in creating a firmware backup? Obviously, I will factory reset the device before doing so.

Thank you
you could do the following

install twrp recovery
then select the backup option and follow the screen guide
if you one day wanna restore it, use the restore option
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zlazaar
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There are many tutorials to install recovery in the dev thread.
As mentionned above, TWRP is highly recommended.
Thing done, you can make backup of any patition you want.

Envoyé de mon GT-I9190
Asus Transformer Pad TF300TGTWRP 2.7.1.0SlimKAT 4.4.4PA-Gapps MicroGRIMLOCK V2
Samsung Galaxy S4 Mini GT-i9190TWRP 2.7.1.0CarbonROM 4.4.4PA-Gapps Microf4ktion 1.6.0
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