I've been there, too, and I couldn't write the electronic signature, so I changed it to a tablet computer to sign it. This problem has been solved, but now I want to switch back to my mobile phone and continue to fill in the information, saying that I want to do it on the original binding device, that is, the tablet, but my contact records are all mobile phones, and I am also drunk.

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.