A LG handset bearing the model number LG-H522 has just made an appearance on html5test site.
As you can see from above screen shot, the LG H522 handset runs on Android 5.0.2 build LRX21Y.
According to our source, The LG H522 ‘s code name is C90. It features a display of 1280×720 pixel resolution.
LG released the L Series III Devices with the L40, L70 and L90 Handsets in 2014. The H522 should basically be the successor the L90 which went official last year.
LG might accounce its next generation mid-range L-series devices in March at MWC in Barcelona.