Please tell us some basic information before asking for help:
Model Name: Asus Zenfone 3 ZE520KL
Firmware Version: WW_15.0410.1807.75_0
Rooted or not: no
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I've checked the firmware section here at: Product Support For Zenfone 3 (ZE520KL) Bias & Firmware
But the last update is Version Version WW-15.0410.1807.75 which is for 2018/09/18. My firmware model is WW_15.0410.1807.75_0, so basically there is no update for my phone model & there's no software update in the setting system updates (on phone itself), & it's stopped at 8.0.0.
How can I update my android version to 10 or higher? Please share a direct link, as I've read other posts addressing this issue but couldn't find the answer solving my problem.