It’s also worth noting that although you’ll get unlimited data when traveling with T-Mobile One, you’re capped at an exceedingly slow 128 kbps. Most 4G connections can deliver average speeds of 3Mbps to 6Mbps. If you need to boost your speeds, you can choose T-Mobile’s 256-kbps option for an extra $25 a month as part of its T-Mobile One Plus International plan. (That plan includes other perks, such as unlimited calling to landlines and mobile numbers in select countries, unlimited in-flight Wi-Fi if you’re on a plane that uses Gogo, and HD video streaming.) In Mexico and Canada, T-Mobile used to allow unlimited 4G LTE coverage with its One plan, but you're now capped at 5GB with speeds slowed to 2G after that.
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AT&T, the second-largest carrier, offers a strong GSM network—allowing simultaneous voice and data use even outside LTE territory—and good in-building coverage via its widespread low-band spectrum. But its unlimited-data subscription rates aren’t as attractive, especially for multiple lines—its capped Mobile Share Flex plans will better suit most people’s needs. Buying your phone on AT&T’s installment plan brings an extra risk: Until you’ve paid it off, the device will be locked and stuck with unfavorable international-roaming charges. And though AT&T’s $10 International Day Pass matches Verizon’s pricing, it isn’t available in as many countries (PDF) as Verizon’s option or AT&T’s much more expensive Passport roaming.
I ordered a 2-pack of the 6’ Lightning cables in black and was pleased by the overall quality look of these cables. (They are a little stiffer than the original Apple cable.) I charged my iPad with one of the cables and had no issues. The DROK USB Tester I had inline showed the iPad to be charging at a little over 5 volts and 2.32 amps, and the charging indicator showed green with no incompatibility warnings.
Another option besides making a traditional cell phone call is using a Voice Over IP (VoIP) service such as Skype, which connects calls via an Internet connection. Skype can be used on a laptop, tablet or smartphone. Skype users can talk to each other for free, and can make calls to landlines and cell phones at affordable rates. However, remember that even if you’re not making international calls over your phone’s cellular network, you’ll still need to have an international plan in place to avoid exorbitant data charges (or find a free Wi-Fi connection so you don’t have to use your data).
In evaluating plans, we looked at the four major U.S. carriers — AT&T, Sprint, T-Mobile and Verizon — and what they offer. We also evaluated five discount carriers: Boost Mobile, Cricket, MetroPCS, Straight Talk and Virgin, and to help you stretch your dollar even further, we looked at plans from several smaller discount carriers. In addition to price, we considered network coverage and performance, including results from our own 4G network testing in half-a-dozen cities. In some cases, total savings on one carrier’s plan outweighed the performance edge another carrier might enjoy; other times, network performance was a deciding factor in our choice.
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