Hi all,
I recently sim swapped my sim to an esim, as I want to take the advantage of not taking 2 phones with me everywhere for personal and work.
There are some downside of esim that I wasn't aware of, resulting I don't have an active number now, so I want to share my experience here and everyone don't make the same mistake.
I follow the instruction and activated the esim via email QR code. It took 10 mins, thank you Vodafone for making the activation almost painless. After activation, I had made a couple of test calls and online was fine, so I took out my old sim (at this point the old sim's already deactivated). Then I went to my iPhone settings to do some clean ups. Here I accidentally deleted the data plan associated with the esim as I thought it was associated with my old sim card.Then I thought no big deal, I will just scan the QR code again as suggested here: https://www.vodafone.co.uk/help-and-information/esim/activate-my-esim
Nope, by scan the QR code again doesn't work, I keep getting an error: unable to complete data plan change iphone. I had done some research online and discovered that some carriers uses generic QR codes and it can be reactivated, but some carriers like Vodafone, uses unique QR code and can be only used once. In between, I tried log back onto my Vodafone to do sim swap again, but as I don't have an active sim, I can't receive security code via text message, I tried online technical chat, a few people try to help, but seems clueless, they were surprised that Vodafone even have eSim for phones. One guy literally tried to teach me how to put a sim card in a sim tray and how to put it to the phone.
The final solution for me is to go to a nearby store to get a new physical sim so I can transfer it to an esim again.
So 2 take aways here:
1. Don't remove data plan if you are on eSim.
2. Instruction on Vodafone website is incorrect, please update: https://www.vodafone.co.uk/help-and-information/esim/activate-my-esim
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