Download Android KitKat 4.4.2 stock firmware for Uhappy UP520 smartphone from here or from here. Download previous version from here.
Archive name: UP520_UHAPPY_V1.1_20140917
Firmware version: G316_H1_UHAPPY_V1.1_20140917
FW version: Android KitKat 4.4.2 stock firmware
Archive file size: 384 MB
Model: Uhappy UP520 smartphone
Platform: Medatek MT6582
Project: ratech82_cwet_rlk_kk
Config_version: V1.1.1
Baseband: MT6582_S00_MOLY_WR8_W1315_MD_WG_MP_V35
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