CWM stands for Custom Recovery.
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CWM actually stands for Clockwork Mod. Clockwork Mod
is a
type of Custom recovery designed by Koushik Dutta (Koush)
more info here;
ClockworkMod
The version of CWM being used on the Marquee was actually tweaked (by playfulgod) from the original programming in order to get it to work on this specific phone.
more info can be seen here;
http://forums.androidcentral.com/sprint-lg-marquee/159642-working-cwm-recovery-v5-0-2-8-a.html
OK. What is CWM ? I downloaded the update. I am not rooted. Am I screwed for the hotspots tethering?
CWM or any custom recovery for an android phone is similar to adding a custom bios to a computer. It tells your phone which operating system (rom) to boot up into.
When you get your phone it has a recovery program written into it. But this recovery will only allow you to load pre-approved roms (like ones from sprint) to the phone. By rewriting the recovery of the phone or loading a custom recovery, it allows you (among other things) to load custom roms (operating systems) onto your phone.
rooting is similar to logging into your computer as an administrator. when you bought your phone from sprint, they had the equivalent of parental controls locking you out of features on your phone. by rooting, you are logging in as an administrator with root access, or access to root commands. this allows you to download programs in the market place (like hotspot tether) that are otherwise blocked by sprint.
the latest update has stopped root access and blocked the ability to load a custom recovery :'(
and without root access you could be screwed for the hotspot tethering. Tethering is blocked by sprint because they want you to pay an extra $30 per month for it. If you pay, they will allow you to tether through a loophole they had created for this purpose.
other loopholes include programs like
PDAnet or
Easy Tether
These have great reviews, but with a new update you run the risk that sprint has found a way to block these apps as well.