The m250 has a dedicated speakerphone button, it's on the left side of the navagation pad. Simply dial a number and once connected, hit the button to activate the speakerphone. Once the call is ended, the speakerphone is de-activated.
the samsung rant is a sprint phone, and the sprint carrier does not use sim card technology
If you are with Sprint, there is no SIM card for the Samsung Conquer. Sprint does not use SIM cards.
Use the Swipe switch to answer the phone to make it a Speakerphone.
No
Straight talk or sprint
You might can use your Samsung S4 on Boost Mobile. You will have to call Boost Mobile and see.
It depends on the phone you are trying to use it on.
The phones you can use in the sprint prepaid plan include Kyung, Samsung, Alltell, and Nikon. you can also check to see the phones on bestbuy to suit your needs.
If you mean like a jailbreak: its a android you dont need to jailbreak To change carrier: what i know impossible
Most phones come equip with a speakerphone option and it's considered an almost "standard" feature, so it's very likely that you should be able to. However, if your phone's speakerphone option does not work, then by all means contact that manufacturer.
The Samsung Instinct s30 offers movie video capabilities. They are HD so you get better quality videos with this particular phone. Sprint Nextel is one of the carrier providers for this phone.
You cannot put an unlocked device on Sprint. You also cannot unlock a Sprint phone. I use the term "Sprint on Sprint only" meaning Sprint phones for sprint service, and no one else may use Sprint phones. **** Not true. You can unlock sprint phones and use them with other carriers.