Is ip allocated even if I write data on my smartphone?

pu1. Yes, I get the same ip when I use data like 3g or lte

2017-12-19

OK

pu2. The ip check is the same as the PC. If you search "my ip" on the search engine, show me your current ip

2017-12-19

OK

pu3. If you turn on the data, the ip is allocated, and if you turn off the data and turn it on again, the ip changes and is allocated again

2017-12-19

OK