We know that the Dell Streak 7 Wi-Fi only model is already up for pre-order for a few days already, but here is something that you might just want to look into if peering around the software innards of a particular device is your cup of tea. This unlocked Dell Streak 7 is capable of playing nice on both the AT&T 3G and HSPA+/4G network, which is pretty interesting when you think about it since both GSM networks rely on different frequency bands for their 3G/4G networks, which is one of the main reasons why EDGE is the connection of choice when you unlock your AT&T-locked Dell Streak and have it work on T-Mobile. Guess the Streak 7 surprises everyone else with support for HSPA+ on both 1700/2100MHz (AWS) and 850/1900MHz bands. All you need to do is insert a good old AT&T SIM card, enter the unlock code, and you’re good to go. Yup, it is that easy!

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