Update failed

In Zenfone max pro M2 from past 5-6
update get failed. Software update is available pops up in notification bar. But every time it downloads and failed
After done all the things it shows up with popup and says your device is reverted to It's original configuration
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BACKUP , factory Reset ,try again.
Hi, we'd request you follow the below steps:
1. Clear system cache.
2. Try the same under safe mode:
Hold the power button for 5 seconds => When the screen flashes with option => Press & hold power option => You will get an option to restart in safe mode
3. If still you face the issue
factory reset your phone after taking a full backup : https://www.asus.com/support/FAQ/1006346/
Build no?
Already done. But software update shows in my phone when Asus officially announced. After doing download and all the things update get failed and don't show again until next update
What to do in safe mode?? I'm trying update my phone when Asus announced a new update after PKQ1.WW_ Phone-16.2027.1908.070 and still I'm not able to complete my new update. I'm still in android pie.
What is the build number of your phone?
PKQ1.WW_Phone-16.2017.1908.070-20190903
This is a link to the .071 firmware
https://dlcdnets.asus.com/pub/ASUS/ZenFone/ZB631KL/UL-ASUS_X01BD-WW-16.2017.1910.071-user.zip
Download the .071 firmware and manually update your device. After your device finishes updating, go to settings and check for update , the .072 update will pop up, download and install the update. See if the .072 update is successfully installed thought fota.
Manually update with which method?
Move the downloaded file to the internal storage (not inside any folder) , restart the phone and the system will notify that new update file has been detected then click on it.
I did that same that you said but no notification comes. I restarted my phone more than 3 time but nothing happened. I checked in software update but their was nothing.
I put zip file in internal storage. Should I extract that after putting?
No, you have to put the downloaded file in here without extracting
I did same
If you are not getting the notification then you can update your device by doing the following steps.
1. Move the downloaded file to a sd card(not inside any folder)
2. Shut down your device and go into recovery (hold power button + volume down button until the asus logo comes up)
3. Select apply update from external storage(volume buttons for navigating)
4. Select the update file
5. After the update finishes select reboot
File name??
The downloaded zip file name
No need to rename?
Follow the instructions in this video
Yes, you don't have to rename it