You should get a high quality LCD screen and digitizer when your XOLO A550S IPS screen old, touch response issues. The OEM screen replacement LCD may be the part you are looking for.
Screen Size: 4.0 inches
Compatibility: XOLO A550S IPS
Phonelcdwholesale.com is the best place to buy for XOLO A550S IPS screen replacement LCD. Each item was double tested before shipping and 12 months warranty.