The photo requirement should be the same as the requirements for the Vietnam e-visa photo. It must show your face clearly and it should be recent.
Another popular option to apply for a Vietnamese visa is visa on arrival. The process of obtaining a visa on arrival will be a bit more complicated than an electronic visa (Vietnam e-Visa), but depending on your situation, if you want to stay in Vietnam for more than 1 month or want a multiple entry visa or you are not in the list of countries for the e-visa program, then visa on arrival should be your consideration.
The main advantage of Vietnam Visa on arrival is flexibility, you can apply for 1 month single entry visa, 1 month multiple entry visa, 3 month single entry visa, 3 month multiple entry visa, 6 month multiple entry visa and 1 year multiple entry visa.
Almost citizens of all countries in the world can apply for visa on arrival while citizens of 81 selected countries eligible for Vietnam e-visa. Not only that, with the visa on arrival program, you can choose to stay in Vietnam for up to 3 months, or 6 month or even 12 months. The only downside is that you will probably spend more time at the airport to get the visa to your passport.
>> Check more about Vietnam Visa on arrival information here: https://www.vietnamimmigration.org/vietnam-visa-on-arrival-2019
Vietnam offers the tourists the provision of getting their visas on arrival in the airport directly instead of having to run around the embassy office and stand in long queues. The visa upon arrival process is very simple and begins with the submission of a registration form for the pre-approval letter.
I have my e-visa, should I stand in the queue at the visa on arrival counter in Vietnam? No, you don’t have to stand in line for the visa process at the visa on arrival counter. You can straight away bring your passport and printed e-visa to immigration counter.
You have probably heard about visa on arrival issuance from other countries, such as Vietnam’s neighbor Thailand. And while they won’t require any pre-approval, Vietnam’s policy is different.