Nokia Lumia 520 Vs 521 for US service

I recently got a Nokia Lumia 520 and it gets very bad service with a net10 plan and an at&t sim. I can walk around outside with the tower less than 1/2 mile away and the bars move from no service to 3 bars and back. I only have a Verizon and an at&t tower in my area. I noticed that there is a slight difference in the data network specs

The Nokia 520 specs are:
GSM network: 850 MHz, 900 MHz, 1800 MHz, 1900 MHz
GSM max data speed DL: EGPRS 236.8 kbps
GSM max data speed UL: EGPRS 236.8 kbps
WCDMA network: 900 MHz, 2100 MHz
WCDMA max data speed DL: HSDPA - 21.1 Mbps
WCDMA max data speed UL: HSUPA - 5.76 Mbps

The Nokia 521 Specs are:
GSM network: 850 MHz, 900 MHz, 1800 MHz, 1900 MHz
GSM max data speed DL: EGPRS 236.8 kbps
GSM max data speed UL: EGPRS 236.8 kbps
WCDMA network: 1700 - 2100 MHz, 1900 MHz, 850 MHz
WCDMA max data speed DL: HSDPA - 21.1 Mbps
WCDMA max data speed UL: HSUPA - 5.76 Mbps

If I was to get the 521 instead of the 520 would i have less problems with service?

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› See More: Nokia Lumia 520 Vs 521 for US service

Lumia 521 is not certainly the nicest Nokia phone but yes its a very good phone. Compared to 520, they are fairly similar but 521 have some difference in apps. You can look at a more comprehensive analysis here Nokia Lumia 521 Review - SlashGear as well as compare other phones here Nokia Lumia 521 Review - SlashGear. this will surely help you make a decision as to what phone suits you best.