Last week, the third largest cell carrier in the U.S., T-Mobile, released a new firmware update for the Samsung Galaxy S5. Before most users could finishing downloading it, however, the cell carrier stopped all downloads. Firmware updates are critical in plugging up security vulnerabilities and making various improvements, so why T-Mobile stop its most recent update for the Samsung Galaxy S5? The G900TUVU1ANE5 firmware update was supposed to fix some software problems stemming from the Galaxy S5’s SMS/MMS messaging system. Basically, Galaxy S5 users were not correctly sending and receiving messages from their device. When notified of this situation, T-Mobile began working on a new firmware update that would supposedly fix it. While the new Galaxy S5 firmware update does in fact resolve them messaging issue many Galaxy S5 users were experiencing, it also slowed their download speeds to a crawl. Once the new G900TUVU1ANE5 firmware was installed, hundreds of T-Mobile users began to report slow data speeds. According to reports by various users, download speeds dropped to an abysmal 1 MB/sec following the update. T-Mobile looked into the issue and confirmed that was in fact due to the recent Galaxy S5 update, at which point they halted all future downloads —…