It's not as if T-Mobile is not trying. In the first half of 2014, the infamous Un-carrier beat out Sprint's network performance without much problem. But in the latest RootMetrics report,T-Mobile fell to No. 4 among the major U.S. wireless carriers for overall network performance -- measured by call, data, and text performance -- in the second half of 2014.
Obviously, no carrier wants to fall behind the pack, but this is particularly bad for T-Mobile because the carrier is spending so much money trying to keep up.
Hey big spenderIn an interview with Re/code in January, Timotheus Httges, CEO of T-Mobile parent companyDeutsche Telekom, said T-Mobile was spending about $4 billion to $5 billion each year just to keep up with the competition, and that the spending is unsustainable.
Some of that money goes directly to network upgrades. "We had built an infrastructure and this infrastructure had to get utilized and we did that with very aggressive promotions," Httges said.
Strong networks ultimately help keep customers from jumping to another carrier, and T-Mobile so far has successfully prevented mass exoduses. The carrier's postpaid phone churn rate (the monthly rate at which customers leave) was just 1.7% in fourth-quarter 2014.
But even with all of its network upgrades, the company fell short in call performance, which is one of the main reasons Sprint jumped ahead.
T-Mobile needs to increase its call performance. Source: RootMetrics.
Aside from calling, T-Mobile's network also suffered outside of metro areas, the report said. While network speeds and reliability remain strong inside cities, RootMetrics said T-Mobile's "overall reliability still trails."
T-Mobile is trying to improve this with a somewhatunconventional approachby testing 5GHz airwaves, which are usually reserved for Wi-Fi signals, for running some of its LTE connections. The system won't be operational until 2016, but once live it should give T-Mobile a more reliable and consistent signal in some markets.
But with the billions T-Mobile has spent to upgrade its network and offer promotions to customers, the carrier should be very concerned with the latest RootMetrics score. T-Mobile has expanded its network reach over the past few years and rolled out 4G LTE very quickly, but now it needs to establish a reliable network across the entire U.S. if it wants to truly compete with Verizon and AT&T.
Don't ditch T-Mobile just yet In the most recent quarter ending in December, T-Mobile added an impressive 1.3 million net postpaid subscribers. For all of 2014, the carrier gained 4.9 million net postpaid subscribers.
Meanwhile, T-Mobile expanded its 4G LTE footprint to 264 million points of presence, or POPs, by the end of 2014, and aims to hit 300 million later this year. By comparison, Verizon has about 306 million LTE POPs.
T-Mobile is also expanding its Wideband LTE (which can boost data speeds by up to 50%) into new markets with the goal of reaching 150 total markets by the end of this year. Wideband was released near the end of RootMetrics' testing period, so this could help improve part of T-Mobile's performance score.
The carrier also received high marks, and beat Sprint, in the speed index and data performance categories. If T-Mobile can improve its calling performance -- which RootMetrics said might be just a "transitory issue" -- then it's likely the carrier could outperform Sprint later this year.
The article This Carrier Can't Afford to Have the Nation's Worst Network originally appeared on Fool.com.
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