B209 was a regional firmware update for Germany & other European countries, officially released by Huawei in July 2014.
It fixed the dangerous Heartbleed bug and brought some other minor optimizations (e.g. improved RAM- and battery usage).
It's official package name is Y300-0100 V100R001C00B209_Firmware_West European_Channel-Others_Android 4.1_EMUI 1.0_05011KYP
.
The original download links were located at www.huaweidevices.de/ascend-y300?show=downloads
, which is no longer online.
But, thanks to wonderful archive.org, there're permanent links available (download speed is awefull, but it works!).
- Download page at
www.huaweidevices.de
- Official firmware update B209 "
Ascend_Y300_Software_Update_B209.zip
" (640.00 Mb) - User manual (German) "
Benutzerhandbuch_Y300de.pdf
" (4.74 Mb)
- Unzip the downloaded file
- Place the
Update.app
file inside a folder nameddload
on your SD card's root directory ->/sdcard/dload/Update.app
- Power off and turn on your phone by pressing the power button while holding down volume down and volume up
Download of
Ascend_Y300_Software_Update_B209.zip
is very unstable. I'm unable to complete the file. Are there any other mirrors?