University not responding

So ive applied for the wrong course to two universities. I already recieved an offer from one of them and still waiting for the other. So for the one ive recieved an offer, I contacted them through text message and asking if its possible for a course change and have been left on Read and its been 5 days already. For the other university, i contacted by email on the same day and no response still. I dont know if I should send another email/text for a follow up or wait for a bit. Dont know how I managed to apply for the wrong course in both universities. Messed up real bad. Please give me some advice, thanks.

Keep trying to contact them as remember that they are dealing with thousands of people other than yourself.

Phoning and emailing is perhaps the best way to contact them rather than just a simple text message by phone 📱.

Phone them.

Im texting that university as thats what ive been told to do when i emailed them about it and as for the other university, i have been emailing them. I cant phone them as its overseas. But i'll try contacting them again and see how it goes.

Cant. The university is overseas.

Did the uni acknowledge receipt of the text in any way?

If it is that important an international call is worth it. You could but yourself a calling card. These work out cheaper,

That's all you can do is keep trying till you eventually get a response from them both and hopefully sooner rather than later for your sake with two wrong courses you accidentally applied for....

Its sort of solved now, I texted them again and they replied. However the other university that I contacted through email have not yet responded.

How long ago did you email?

Emailed them 6 days ago.

Its sort of solved now, I texted them again and they replied. However the other university that I contacted through email have not yet responded.