There is no extra benefit of having multiple mobile plans on the same account. The only exception may be points earned on the same account when you pay your monthly bill.
For each account, you can obtain a limited number of upgrades. Each upgrade can be applied to one plan.
Each family member should open their own account. Having plans in separate accounts, each member will be eligible for their own rewards: referral, perks and upgrades.
They should have this but they don’t. Even a single $1-$2 combo discount would be good and not too much to ask on BYOD type prices.
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