Yezz Andy 3.5EI3 Mode D'emploi page 103

If you have multiples APN Configurations for the same SIM
card, choose which one you want to use touching the radio
button [ ] at the right side of the name.
To add another connection, repeat from step 3.
Switch between carriers
(SIM cards)
If you use multiple SIM cards and want to switch to another
one, follow these steps:
1. In the applications list, touch [ ] Settings to access to
the device configuration.
2. Touch Dual SIM settings.
3. Choose the option Data connection and select the SIM
Card that you want to use.
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