You are at right place if you are searching for Mi A1 Custom ROMs. You can download All Latest Bugless ROM for Mi A1 from here. The ROM includes Lineage OS, AEX, Resurrection Remix, Pixel Experience, MIUI 9 and there are so many others to come on. But before that here is a short description about Mi A1 device.
The Mi A1 is powered by 2GHz octa-core Qualcomm Snapdragon 625 processor and it comes with 4GB of RAM. The phone packs 64GB of internal storage that can be expanded up to 128GB via a microSD card. As far as the cameras are concerned, the Mi A1 packs a 12-megapixel primary camera on the rear and a 5-megapixel front shooter for selfies.
The Mi A1 runs Android 7.1.2 and is powered by a 3080mAh non removable battery. It measures 155.40 x 75.80 x 7.30 (height x width x thickness) and weigh 168.00 grams.
The Mi A1 is a dual SIM (GSM and GSM) smartphone that accepts Nano-SIM and Nano-SIM. Connectivity options include Wi-Fi, GPS, Bluetooth, Infrared, USB OTG, 3G and 4G (with support for Band 40 used by some LTE networks in India). Sensors on the phone include Compass Magnetometer, Proximity sensor, Accelerometer, Ambient light sensor and Gyroscope.