Bootlooping Nexus 5X got fixed in China, RAM upgraded to 4GB - Android Community
Nexus 5X Hardware Modded to Upgrade RAM from 2GB to 4GB
Nexus 5X successfully upgraded with 4 GB of RAM - SlashGear
nexus 5X | スマートフォン/タブレット | LG エレクトロニクス・ジャパン
oudini UNLOCKED H791 Mainboard work for LG Nexus 5X Mainboard Original for LG H791 32GB Motherboard can be chang 4G RAM|motherboard unlock|motherboard for lgunlock motherboard - AliExpress