How to change the internet company without disconnecting

pu1. You can apply for another company before you cancel

2017-12-21

OK

pu2. The timing of the two companies' Internet access may overlap. It doesn't matter if it's overlapped because it's not actually a way to spread two lines, but it's a way to connect them by setting up the lines that already exist

2017-12-21

OK

pu3. I usually apply for another company before it's completely cut off

2017-12-21

OK