Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in Hong Kong. I am tired of searching coupons, but I found one for you…
Link: Banggood product page
Coupon (678.00 USD): 13f142
(CouponsFromChina.com tip: paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGASUSZF78, 7d18f7, BGHKZF78, BGHKOP8T12, BGZF701, BG3SSZF7, BG3SSYBZF7, BG42ZF7
(there’s a little possibility that old coupon will work)
Price history and price alert
Price history (for all/most countries) for ASUS ZenFone 7 ZS670KS 5G 8/128GB Snap865 is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).