3900mAh(min), GPU Adreno 618 max to 610MHz, Display Size 6.39 Inch AMOLED, Battery(Built-in) 4000mAh(typ), Resolution 2340*1080 Pixel, OS MIUI 10, RAM 6GB, 8nm, ROM 128GB, CPU Qualcomm Snapdragon 730 Octa Core (max to 2.2GHz) Kryo 470.
Basically copy coupon, view price history or create e-mail price alert. What is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
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. ($267.21): BGXMT902
2. ($277.49): BG029TCL
3. ($287.77): BG129TCL
4. ($287.77): BG029T
5. ($287.77): BGIssamXRM9T2
6. ($287.77): BG19T8
7. ($287.77): BGN9TEE
8. ($287.77): BGN9T128
9. ($287.77): BG29T
10. ($321.89): BGXX9T128
11. ($362.99): Email5
coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): affiliate6, BGMI9T6128, aff7off, bgssaff9, BGEM9T128, BG9T128PL, BGXTODAYMI9T4, BG79T128, BGM9TIS, BG79TEE, BG89T128, BG89T6C, od7off, BG9TWK, BGMI9T10, BG9T13, BGaDmITAd, BGPUREMI9T128G, 7bcdf9, BG119T8, BGHU505, BG59T8, BGBFAFF2019, BG9T821, BGBF9T8, BGCITYADS2019, BGBF9T128, BGX9T128, BGAFF04, BG019TCL, BG129TBR, BGNAMI9T128, BG39T, BG39T8, BG59T8CL, BG59T28, 7d18f7
(probably won’t work, but you can try them out)
Other warehouses/versions
This item is available in 3 another warehouse/versions!
1. Hong Kong – Xiaomi Mi9T 6/128GB Global Black ($-3)
2. Hong Kong – Xiaomi Mi9T 6/128GB Global Blue ($-3)
3. Europe – Xiaomi Mi9T 6/128GB Global [EU] ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for Xiaomi Mi9T 6/128GB Global Red. The lowest price was: $249.99.
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)).