Update problem on zenfone 4 selfie Zb553kl

m waiting for the update. The phone is getting slow, the sound is getting bad. Could you please give the update for this phone? ?
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m waiting for the update. The phone is getting slow, the sound is getting bad. Could you please give the update for this phone? ?
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What is your current firmware version? You can find the firmware in the link below.
https://www.asus.com/tw/supportonly/ZenFone%20Live%20(ZB553KL)/HelpDesk_BIOS/