This tutorial tested by me without any error in market two files available when i use general version then not success full update so i try to other file it was working well without any error and that success file in this post so you can easy download and try with good quality SD card but remember some here required for flash that must be working well if any in issue then you can't update it so carefully read all are tutorial after following step by step so let's go how to flash Huawei Y300-0100 android device with SD Card.
This flash file tested by me without any error working well, you can use this flash file when your device hang on logo problem, restarting problem, security lock problem, password lock problem, pattern lock problem etc software related problem and you can use this tutorial without any box and this is free for all who know about software in mobile, impotent for flashing first must check your micro usb cable if not good then you can't flash it so check micro usb cable second check your device battery that is impotent for flashing if your device battery low so stop your device between flash so this is impotent for flash, before you flash save your data like contact, photos, videos etc because this is factory flash file so you can't save after full flash so must remember all are impotent notes.
Download Link
Huawei Y300-0100 Firmware Download
hereRequired for update :
1. Huawei Y300-0100 device with good battery charged
2. Huawei Y300-0100 tested firmware
4. SD Card (must be good quality)
5. Computer or Laptop (for copy paste)
Procedure:
1. Download tested firmware from above link (if link dead or other issue just leave your comment on below comment box)
2. Extract to desktop or as you like path (must be installed winrar software in your PC)
3. Open Y300 firmware(Y300-0100,Android 4.1,Emotion UI,V100R001C479B197,United Kingdom Channel) folder
4. Copy dload folder and paste to SD Card
5. Turn off device if on
6. Insert SD Card into Huawei Y300-0100 device
7. Press and hold Volume Up + Down + Power then automatically updating process start
8. Wait until full process success
9. Congratulation you are done
Huawei Y300-0100 Flash done with SD Card video here