Why asus zenfone 3 max zc520tl is not have any degraded software version I need it

[nani30082000]

[ARP_ASUS]

Hi can you let me know why do you need to downgrade?
Any concern with the current version?

[sokolowski776]

ARP_ASUS

Hi can you let me know why do you need to downgrade?

Any concern with the current version?

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After upgrading ZC520TL to Oreo, it became useless. Phone lags after any action, music lags when using phone, cannot answer incoming call immediately because of lag of screen. ZC520TL was a smartphone with Nougat. With Oreo it's phone or rather just a brick

[sokolowski776]

nani30082000

Why asus zenfone 3 max zc520tl is not have any degraded software version I need it

@nani30082000 Here is Marshmallow software, flash it using SP Flash Tool. I AM NOT TAKING ANY RESPONSIBILITY FOR YOUR BROKEN DEVICE! Software is working on my ZC520TL, I've flashed it yesterday and it is so much better than Oreo (copy-paste link, I can't post links)
https://mega.nz/file/wapCQaDZ#spO6qsltcf-0ncT1dcjX6kSKX1hHUJle80xOPL0Wmyw