Problem with update any firmware in your site on my phone

Please tell us some basic information before asking for help:
- Model Name: zenfone max plus m1 zb570tl
- Firmware Version: ww_14.02. 1802.70_20190708
- Rooted or not: not root
- Frequency of Occurrence:
- APP Name & APP Version (If your issue relates to the app):
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.
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I just bought this phone but I can't update Android.
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Comments
Check if file you download corrupt or not, check the size of fw on your device and on web. Make sure its same size.
Hi s.afshari1987
Thank you for your asking. Which firmware version do you want to update. In order to update from Android O to Android P, please make sure that your Android O is the previous version of the first Android P version. Kindly refer to the steps below
Your current version> auto-update to WW-14.02.1809.69> manual update to WW-15.02.1810.347> auto-update to WW-15.02.1904.453> manual update to WW-16.02.1905.435
The guide above is only for the firmware update guide, yet you can choose to stop at any firmware version you preferred.
#[Zenfone] How to update firmware on my phone?
https://www.asus.com/support/FAQ/1009748/
#ZB570TL Firmware Spot
https://www.asus.com/Phone/ZenFone-Max-Plus-M1/HelpDesk_BIOS/