Just Upgraded to SGS4 and kept my unlimited data.
I ordered online, for a dumb phone on family share plan. Selected individual data plan for that line.
When the phone came, I activated the SGS4 on the dumb phone line, then a few minutes later, reactivated the dumb phone.
Simply switched the SIM card from my Galaxy Nexus to the SGS4 and voila, subsidized phone and unlimited data kept.:smokingsomb:
So yes, it does work, if you have the right setup.
I ordered online, for a dumb phone on family share plan. Selected individual data plan for that line.
When the phone came, I activated the SGS4 on the dumb phone line, then a few minutes later, reactivated the dumb phone.
Simply switched the SIM card from my Galaxy Nexus to the SGS4 and voila, subsidized phone and unlimited data kept.:smokingsomb:
So yes, it does work, if you have the right setup.