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[Tools, Tips & Tutorials] [MIUI DEVICE TEAM] How to Backup files using TWRP while Boot Loop

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02:45, Apr-03-2015 | From PC
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Go to reply no.
This post was edited by ThawThaw at 14:42, Apr-03-2015

Hey Guys,
A lot of users faced boot loop while rooting their device. Some of them backup their device before root but some didn't. If a user didn't backup his/her precious data and ended in boot loop. That's a headache. I encountered this kind of situation too. So I prepared a tutorial that show how to transfer data In or Out of bootlooping device.

This Guide was tested working on MI Note, MI4 and MI3

Most users already know custom recovery can backup and restore the entire user data. So in this tutorial I only cover
1. How to copy selected files or folders from your device to a computer or OTG storage and
2. How to copy a firmware to device to reinstall

Requirements
1. TWRP for your Device
2. Windows Computer
3. OTG Cable and Memory Stick (or) OTG Memory Stick (If you want to backup your data to memory stick)
4. bootlooping MI Phone ???

Steps
Refer to this thread to install TWRP http://en.miui.com/thread-98538-1-1.html
Use Test Compatiblity.bat to temporary boot into TWRP, Use Install Recovery.bat to permently install TWRP to your device
Reboot into Recovery.
#Connect your OTG Storage(If your choice of backup is OTG Storage). You will see like this
#Connect with your computer (if your choice of backup in to PC)
1.jpg

Go to "Mount".


2.jpg

If you connected your device to PC and Touch "Enable MTP" Button, You device will be seen on computer like Normal start up and you can transfer data like before.

If you're using OTG Storage. Select USB OTG check box and press return button. You'll back to TWRP Home screen.


3.jpg

Choose Advance


4.jpg

Then choose File Manager, You'll see like this. In the list sdcard is your internal storage of device where all your personal data were stored and usbotg is the OTG Storage you attached to your device.


5.jpg

Browse to the location you want

6.jpg

If you press Select without choosing file it'll copy the whole folder. If you want to copy a file, choose it. Then it'll like this

7.jpg

You'll see your selected item on top and you can select your action copy or move. After you choose an action, you'll back to file manager. Browse to the location you want to save your selected files/folder and press select. You'll see like this.


8.jpg

Check your actions and slide to comfrim. That's all

You can transfer files from OTG Storage to device by this way.
So if you didn't put a firmware in internal storage for reinstallation you can put update.zip to internal storage so that you might no need fastboot ROM.

Have fun!!!!!

TWRP is not my work. I just show the function of it. Credit for TWRP goes to http://dl.twrp.me/cancro/
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03:07, Apr-03-2015 | From PC
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Great guide,will help many~

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14:19, Apr-03-2015 | From PC
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Thanks for the info
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14:35, Apr-06-2015 | Via mobile
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dear friend, I downloaded d HMNOTEILTE_V6.4.2.0KHIMICable for my NOTE 4g. I have rooted it. After rooting  and rebooting, opening d security app, d root Access under Permission  is evident .however, when a new app is selected to allow root access  it says not possible.     l have downloaded d app Link2sd for tfr of apps to sd card. this is also not functional due to d reason   App2SD is not supported by ur device. because ur device has a Primary external storage which is emulated from the internal storage.  It further says u can link the app in order to move its files to sd card.    One line comes as   / data/ sdext2 mount not found.     I am now totally confused and disgusted with d process of rooting and unrooting of my phone.  can u please help me last time. regards.d

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14:41, Apr-06-2015 | Via mobile
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what's d difference between Linkto SD card and move to SD card ?

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15:01, Apr-06-2015 | Via mobile
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another error shown is Mount Script Error. it shows Mount script cannot be created, and Mount: invalid argument. please help.

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 Author| 20:53, Apr-06-2015 | From PC
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ss@2015 replied at 2015-4-6 14:35
dear friend, I downloaded d HMNOTEILTE_V6.4.2.0KHIMICable for my NOTE 4g. I have rooted it. After ro ...

Regarding root, did you mean your app didn't get root access? If so, after 1st time you opened your app,it'll say you don't have root access. Quit your app and go to security app-->Permission-->Root Access--> and enable your app to allow root access. When you open again your app it'll have root access now.

Regarding Link to SD app, I didn't familiar with that app. You should post a question under redmi note 4g section to get quick answer.

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03:59, Apr-09-2015 | From PC
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We know this buddy

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17:00, Apr-09-2015 | From PC
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Thanks for info

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01:33, Apr-10-2015 | From PC
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Woah! Ty man!
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