Gather all you papers required and email them to the Certificate of entry email and if you get your C of E you are good to go if you can find a flight.
You can get in with a marriage 'O' visa if you can find a flight, ASQ hotel, medical insurance, covid19 neg test and a letter from immigration. Cost me quite a few thousand dollars. All up 3-4,000 bucks. Two weeks locked in a hotel room was a ball buster. You'd be amazed how you loose muscle power after just 14 days.
I had to go to the embassy in UK four times to sort information and two times they gave me the wrong email address to send my documents to in Thailand to get my entry letter. Good luck. Keep trying is all I can say.
I just got back from UK, still in quarantine. Arriving and going through Swampy was quick and easy. The tough bit was arranging all the paperwork, not cheap and highly stressful. The process is quite confusing as embassy gave me the wrong email addresses to send documents. The covid 19 test is another worry as the 72 hour bit makes it a very tight schedule. Trying t get on the repatriation flight was hopeless luckily Emirates put on a few scheduled flights which were