Starting July 24th customers on eligible postpaid T-Mobile rate plans can add up to 6 new lines and get them 50% off.
Only lines 3-8 on your plan are eligible. Simple Choice, Select Choice, Amplified, 55+, Military, etc are ineligible.
To see a list of ineligible SOC codes, visit the source link.
Stackable with phone promos, including phone promos that require adding a line. For example, you can get a free OnePlus Nord N200 5G on a 50% off line.
9+ line plans are ineligible.
https://tmo.report/2021/07/50-off…july-23rd/