Amazon.com: Mainboard 32GB Full Working Fit for Redmi Note 4 Motherboard,100% Original Unlocked Fit for Redmi Note 4 Logic Boards Without Touch ID 32GB : Electronics
32gb Original Unlocked For Samsung Galaxy Note 4 Motherboard N910f Motherboard, Europe Version For Note 4 N910f Mainboard - Mobile Phone Antenna - AliExpress
Main Motherboard Replacement For Samsung Galaxy Note 10 N970U N970F Mobile Phone | eBay