MSM8274 1AB CPU IC chip for Xiaomi NOTE 4 - AliExpress
Amazon.com: Amaoe MI11 BGA Reballing Stencil Kits for SM6125 SDM710 Xiaomi CC9 CC9E 8SE A3 Redmi Note 8 Pro CPU RAM POWER WIFI AUDIO IC Chip Tin Planting Net Solder Template/Heating Direct
Xiaomi is also working on their own 16-core mobile processor - Gizmochina
AMAOE Stencil MI:14 For Xiaomi 11 11Ultra 11i 11XPro Redmi K40Pro SM8350 CPU | eBay