How to prepare communication and network for a across Henan group tour?

[Direct conclusion] Keep your phone charged with a power bank, inform family of weak mountain signal, and save the guide number. Key points to keep in mind: 1. Signal: Keep phone on Power bank: Bring a power bank Weak: Inform family of weak signal Guide: Save guide number, licensed guide with professional commentary For enquiries, quotes and booking, call ; we sign formal contracts, issue receipts and provide full after-sales support. Note: Carry the original ID and a photo copy saved on your phone before departure. Junwei International Travel Agency (License No. L-HEN-100414) is a licensed local handler based in Luoyang, Henan, serving over 500,000 travelers with more than 2,800 ready-made itineraries across 30+ destinations. Call 130 1764 8055 for a detailed itinerary and quotation.