What is the name of the cord that you plug into your computer that goes to your nextel phone to get ringtones?

To the guy that works with Nextel(supposedly) you work for sprint right? because from nextel you don’t know jack..
The cable is called just that a USB data cable you can buy on-line thru eBay they have the best prices in a store you will pay about $25 to 30.Ringtones you can upload to your phone all you want as long as you follow this..
What ringtones work on what phones.
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Ringtone type: MIDI (type 0)
Compatible phones: ALL

Ringtone type: WAV (8000MHz, 8 bit, Mono)
Compatible phones:i710, i730, i733, i736, i830, i833, i836, i850, i670, i605, i870, i875, i930, i880, i760, i560, i285, i450, i415, i455, i885, i920, i580, i265, i275, i855

Ringtone type: Mp3 (8000MHz, 32bit, mono)
Compatible phones: I860, i850, i580, i885, i560, i760, i870, i875, i605, i670, i930, i920, i855

Hope this help a bit and if you need any help just contact me i will walk you thru.