MUNBYN has served more than 452,850 customers worldwide with reliable products and professional support by tech team.
If you have any issues, please contact our engineers directly to get a prompt solution within 1 hour. MUNBYN support is available via phone, email, and remote desktop assistance.
Tel：+1 650 206 2250 8:00 - 17:00 (PT)
WhatsApp：+86 13302482997 9:00 - 18:00 (UTC+8)
When contacting support, please offer the following information:
- Amazon order number of the unit
- Serial number of the unit
- PDA System Build number
Viewing steps： Go to Settings > In the search box type: About phone > Build number