Originally Posted by
xxSLRxx
Sprint blocks all non-sprint phones from their network by whitelisting ESN's. With that being said, the only way I know of to get around this is to take a Sprint phone and clone its ESN to the phone you are flashing. Keep in mind this is highly illegal and is not discussed or encouraged on this site.
In all honestly, I would recommend purchasing a GSM phone and unlocking it if you plan to use it abroad. Most of the world uses GSM over CDMA-- not to mention that once the phone is unlock it will work on any GSM network at that point. Setting up data on a GSM phone is as simple as adding the network's APN to the phone.
Another option would be to purchase a phone that support both GSM & CDMA. I know one of Verizon's new Droids is a "World Edition" phone that supports both technologies, but I'm not sure if it's the one you have. With one of these phones, you could setup the CDMA side for Sprint and unlock the GSM side for use overseas.
To answer your question directly, you can learn to flash a phone to other networks, but the process is going to be a lot more convoluted. Instead of just popping in another network's SIM card to an unlock GSM phone, you'd have to: add your ESN to the network, throw on the network's PRL, NAM program the phone, and configure your data settings.
Data settings can typically be configured in CDMA Workshop under the EVDO tab. On Android phones, you have to edit the APN in order to setup MMS. Also, there are more steps involved if the network uses a proxy...
Nevertheless, the community here is very supportive, so I'm sure you'll receive the help you need to do whatever you choose to do.
Sprint has a "MMS application" but it doesn't work the same way as the MMS app on other networks' phones. This is the main reason why the MMS app doesn't work properly when flashing Sprint ROMs to other networks. I'm not entirely sure, but I believe the Sprint MMS app is more or less the same as the non-Sprint MMS app; however, the underlying frameworks that the app uses is more than likely Sprint specific.
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