Installing a custom ROM on the A5500-HV is trickier than on Samsung or Xiaomi devices.
To make your "new" tablet fly:
Before you even look for a ROM, you must identify your exact model. The Lenovo A5500-hv is a 3G-capable variant (hence "hv" for HSPA+). Do not confuse it with the A5500-f (Wi-Fi only). Using the wrong firmware can brick your device. Lenovo A5500-hv Custom Rom
Key Specifications:
Warning: You will need a computer (Windows/Linux) and a microUSB data cable. Always back up your stock ROM via MTK Droid Tools or SP Flash Tool before proceeding. Installing a custom ROM on the A5500-HV is
There is an unofficial build of Android 8.1 Oreo designed for low-RAM devices (Go Edition). To make your "new" tablet fly: Before you