Travel needs several necessary software, Android 4.0. The more systems, the better. Just give names and distribute them without too much introduction.

First of all, Baidu map of route navigation is essential; The weather should be known in advance, whether it is sunny or mo Xiang weather; Outdoor toolbox, battery doctor, public comment on Meituan glutinous rice and other group buying apps, Ali travel and so on. Of course, I won't go into details about other essential mobile phone software.

The first thing you should pay attention to when traveling is safety. Safety first, tourism second. If you have acquaintances, please try to travel in groups. Need to confirm the items needed during the trip, and consider the local climate, transportation, accommodation and other issues encountered in the process. To know the approximate cost of necessary hotels, restaurants, etc. , and book a hotel or guesthouse. Baggage handling arrangements should consider the "one big and one small" approach. Small ones should be carried with you, and bills, certificates and some cash should be put away. Large ones can be checked or dragged.