Is a Samsung S6 a 4G phone?
Users can choose to enjoy 4G or 3G network ^ with either SIM 1 or SIM 2 without changing the SIM card.
Will a Galaxy S6 work on straight talk?
Your T-Mobile Galaxy S6 will work with Straight Talk’s AT&T network and is fully compatible. Your S6 does not need to be unlocked.
Is Galaxy S6 CDMA or GSM?
|Network||Technology||GSM / CDMA / HSPA / EVDO / LTE|
|2G bands||GSM 850 / 900 / 1800 / 1900 – G920V, G920P|
|CDMA 800 / 1900 – G920V, G920P, G920R|
|3G bands||HSDPA 850 / 900 / 1900 / 2100 – G920V|
|CDMA2000 1xEV-DO – G920V, G920P, G920R|
Does Samsung 6 have a SIM card?
Locate the SIM Card tray. It is located below the Power button on the side of the standard S6 model. On Edge models, it is located on the top of the device. Use the eject tool included with your Galaxy S6 or a paper clip to gently push the small button on the SIM Card tray.