Xiaomi Mi9 SE 6/128GB Global Black (Banggood, Aliexpress: Display Size 5.97Inch AMOLED, CPU Qualcomm Snapdragon 712 Octa Core (max to 2.30GHz), 2970mAh(min), ROM 128GB UFS2.1, GPU Adreno 616, Resolution 2340*1080 Pixel, RAM 6GB LPDDR4x 1866MHz, 3070mAh(typ), OS MIUI 10 (the best price with coupon)).
Price history, coupons and price alert are available on this page. What is best price?
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 code price check (UTC time):
Banggood
Banggood warehouse is located in Hong Kong.
Link: Banggood product page
1. ($289.97): BG109SE3
2. ($293.55): BG109SE2
3. ($332.93): od7off
4. ($348.99): 7bcdf9
apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): 5BGM9SE6, plfonall, 5BGM9E, BG5M9E, BG5M9E2, BG5M9E3, BG6M9E, BG6M9E3, BG6M9EES, BGM9See, BG6M911, affiliate6, BG6M918, BGM96618, BGM9SBJ, BG7M96E6, aff7off, BGEM9SE, bgssaff9, BG7M9E7, BG7M9E7U, BG7M9E7U2, BG8M9E7, BGR9SE13, BGR9SE8, BGaDmITAd, BG9SE9, BG10SE9, BG109SE, BG109SEU, BG119SE
(these coupons are old, so probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Hong Kong – Xiaomi Mi9 SE 6/128GB Global Blue ($-3)
Price history and price alert
Do you need price history chart (for all/most countries) for Xiaomi Mi9 SE 6/128GB Global Black? There we go. The lowest price was: $273.77.
Price records source(s): Gearbest, 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)).