Try to upgrade firmware but not detected

dr.nasseerdr.nasseer Level 1
edited October 4 in ZenFone 4 Series

This is my device description:

  1. Model Name: ASUS X00LD
  2. Firmware Version: WW. 14.0400.1708.160-20170911
  3. Rooted or not: no

I tried to upgrade firmware using version WW-15.0400.1910.528 as provided on the web. I was downloaded it then copied to internal phone, but there is no reaction on system update detection such as icon notification on the drawer, even I restarted several times.

What should I have to do? I want to upgrade Bluetooth version instead. And also to follow the android development until the latest firmware.

Need solution...

Please help me.

Thanks

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