You can create price alert here, copy coupons and view price history. Let’s see what best price is ATM.
UMIDIGI G3 Plus 4GB RAM 128GB ROM 16MP Dual Camera 5150mAh 6.52 inch Android 13 Face Unlock Unisoc T606 Octa Core 4G Smartphone – Black EU Version
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in Hong Kong. I don’t think there is an active coupon right now – at least in my database.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Price history and price alert
Do you need price history chart (for all/most countries) for UMIDIGI G3 Plus 4/128GB 5150mAh 6.52 inch Android 13 T606? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).