Try to upgrade firmware but not detected

[dr_nasseer]

This is my device description:
Model Name: ASUS X00LD
Firmware Version: WW. 14.0400.1708.160-20170911
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

[Christine_ASUS]

Hi leehueesu
Primarily, I can't found your firmware version (WW-14.2016.1707.145), which is not on our official website. Yet please try download WW-14.2016.1708.153 file from our website into the root directory (aka the outermost place) of the internal storage. Reboot. Then tap the pop-up system update notification. If this method works, you can perform the update one firmware by one firmware.
ZenFone 4 Max (ZC554KL) BIOS & FIRMWARE | Phones | ASUS USA[Phone] How to update firmware on my phone? | Official Support | ASUS Global

[Christine_ASUS]

Hi dr.nasseer
Thank you for your asking.
1. Please try to enter "Safe Mode". If the function works well in Safe Mode yet the issue remains out of Safe Mode, please check on any disturbance from the installed 3rd party apps.
# How to enter and exit "Safe Mode"
https://www.asus.com/support/FAQ/1005163/
2. Also, please try "the Factory Reset" 
Settings>System>Reset options>Erase all data(factory reset)
Please note that once the Factory Reset is completed, all data, apps, settings and personal information will be deleted.
3. Because your USB can not be detected, if the issue persists after performing the Factory Reset, please bring your device to ASUS repair center in the country of your residence for further checking: https://www.asus.com/support/Service-Center-All-Countries/
If it is impossible to access the service center during Covid-19 period, please try Call us: https://www.asus.com/support/CallUs

[leehueesu]

Thanks you so much Christine Mod. I will try..

[leehueesu]

I give up, Christine.... Maybe i have to buy a new phone. Thanks for your help. Cảm ơn!

[Christine_ASUS]

Hi leehueesu
Thank you for your reply. Can you provide me a video of your update process recorded from another device? Also, you can check with the Repair Center in the country of your residence for further device checking: https://www.asus.com/support/Service-Center-All-Countries/
If it is impossible to access the service center during Covid-19 period, please try Call us: https://www.asus.com/support/CallUs