This is not a problem with the phone and can only be used after the official repair. DUE TO KAIOS SYSTEM ISSUES, WHATSAPP CANNOT BE US E D ON THE PHONE TEMPORARILY . PLATFORMOS KaiOS 2.5. 2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only).
eBay