Android 4.4 KitKat brings all new improvements from UI to performance among Nexus devices. Unfortunately, major issues are now plaguing Nexus users around the world, and for those planning to buy Nexus 5 or update to Android KitKat, beware of what to face soon.
Nexus 5 features 2,500 mAh battery only. The bad news is Google retained the non-removable aspect of the battery, which hinders users from utilising additional batteries. Android 4.4 KitKat has been reported to have significant impact on Nexus 5 including dreadful battery life. Some users noted that Android 4.4.2 KitKat update could be a battery fix but not ultimately.
Exchange email syncing is very important for many users, and Nexus 5 got a feedback regarding such issue. According to Nexus 5 owner Luiz, he raised the issue but was completely ignored. He noted the positive Android 4.4.2 update for fixing syncing loops on non-exchange accounts and the battery drain bug, but the Exchange email is bugged with "constant tries to sync." These issues are connected to the battery drain reported on Android 4.4.2.
Wi-Fi and Cellular Network
Some owners have to deal with connectivity issues using Wi-Fi or mobile data connection. Reports include missing calls when connected to the Internet using both radios, but some users say that a simple reboot resolves the problem temporarily.
Dialler app on Nexus 5 has been found not working, according to reports, and even performing a factory reset doesn't solve the problem. For those who got a faulty dialler app, update the Nexus 5 to Android 4.4.1 KitKat for the fix.
Media Storage Crash
In all versions of Android KitKat, users filed reports of media storage crash which renders the device unable to copy files from a computer. Based on the forum, factory reset and reboot into Safe Mode fixes the issue, but sometimes it doesn't.
Nexus 5 didn't didn't get away from faulty Bluetooth problems that affects the volume output to a Bluetooth speaker. Once connected to a Bluetooth speaker, the volume controls seem bugged which always begin at maximum and reducing it via rocker or settings doesn't work at all.
Near Field Communication
NFC is fun and cool but not on the Nexus 5 smartphone. Reports claim that the built-in NFC tags don't detect the smartphone, as if it doesn't exist at all. And to make it worse, Android 4.4.1 KitKat doesn't completely fix the problem.
Many Nexus 5 owners have attempted to download Android 4.4.2 update to get all the fixes they needed, but the process can get troublesome. Over-the-Air update may lock on 20 per cent and then freezes with an error message popping on the screen. In rare cases, some owners don't get the "Your system is up to date" message.
Most Nexus 5 users report lousy camera performance, but one thread on Google's forum included a camera app crash. In addition to that, the user also complained about calling issues such as the screen going blank and auto dialling.
Poor battery performance is already a headache, but slowing recharging can cause a migraine. Nexus 7 2012 users have reported slow recharging after updating their devices to Android KitKat. According to them, Nexus 7 may spend recharging for 2 to 3 hours and only gain 25 per cent battery using the original wall charger and USB cable.
Android 4.4.3 KitKat has been appearing for some time online and could be Google's answer to the 10,000 so-called bugs of KitKat and Nexus 5.
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