What SIM card or eSIM is best for tourists in Da Nang, and how much does mobile data cost?

There's a Viettel SIM option for 3 months upfront with a 6 GB/day plan — cost about 405k VND for the plan plus around 100k VND for the physical SIM itself. The traveler notes an eSIM might be cheaper.

Official Viettel stores can be found via Google Maps — usually no queues and guaranteed authenticity. After a month on the 180k VND / 6 GB per day plan, you can switch to the cheaper 90k VND / 1.5 GB per day plan yourself through Viettel's official website.

Another Trip.com eSIM option: a 20-day plan with 5 GB/day at full speed (throttled afterward), costing around 700 RUB. Registration was done before departure, so internet worked immediately upon arrival in Da Nang.

For a trip to Da Nang, an eSIM from the Trip.com app was mentioned as one of the most convenient options. A data package for 18 days cost about 1800 RUB and was chosen for hassle-free internet during the trip.

Another recommendation for Da Nang was a Viettel travel package with 5 GB per day. According to the review, that amount was more than enough even for heavy daily use.

For a physical SIM in Da Nang, Viettel was recommended: one traveler paid about 180k VND for the SIM including 6 GB per day for the first month. After that, they switched to a cheaper plan at around 90k VND per month for 1.5 GB per day.