Mine is US but also issued in Bangkok. Am I supposed to write that anywhere on the actual official visa application. I like the idea of writing a letter about it to include as well that's a good idea. I never even considered my passport being issued in Thailand as something I needed to maybe write on the application. I imagine they mean country who issued it. Your embassy technically is your countries soil not Thailand right?
I believe apples native photo browser can customize file size not sure if pdf is natively supported but surely theres an app store approved app for Mac that is safe or an open source trusted app for Mac or windows
If your sticking around go to an AIS or true corporate store or buy a Sim on lazada.co.th that has unlimited data at a fixed max speed (example 8mbps) either way much cheaper and much more fast data typically.
Moreta I came back to try few weeks ago works great for what it can do. QR works almost everywhere except street food and small family run shops. Will work soon with personal QR too soon