I have used some for time Barkan PB22B 2200mah Portable Charger Black to charge my smart Samsung S4 mini phone. I had some issues first that the charging was not reliable with my phone (worked well with some other devices). I decided to look what was wrong with USB Power Current Voltage Tester, and with →
http://arstechnica.com/security/2016/10/using-rowhammer-bitflips-to-root-android-phones-is-now-a-thing/ Rowhammer hardware bug is now a security issue for both PCs and smart phones. →
http://www.tripwire.com/state-of-security/featured/ghost-push-malware-continues-to-haunt-android-users/ Android malware hits very many devices each day. Remember to install apps only from trusted sources. →
http://mashable.com/2016/09/26/seriously-dont-drill-holes-in-your-iphone-7/?utm_cid=mash-com-fb-main-link#qhZI.B2yusqQ Apple got rid of 3.5mm headphone jack on latest iPhone. Do not try to add one yourself by following drilling istructions from a fake YouTube video that got viral! You will just end up with broken iPhone. →
Everybody likes high tech tear-downs. Hare are is information on what is inside of the two two hottest smart phones at the moment: iPhone 7 and Samsung Galaxy Note 7. While the iPhone 7 Plus retains the design basics of the previous generation it does have a lot of upgrades. Including a new dual camera →
http://www.edn.com/design/power-management/4442706/Samsung-recall–Some-possible-tech-solutions-to-enhance-lithium-ion-battery-safety- Exploding lithiun batteries are in headlines every now and then. How they can be made safer? →
https://theintercept.com/2016/09/12/long-secret-stingray-manuals-detail-how-police-can-spy-on-phones/ Some reading on how cell phones are spied. Although “Stingray” has become a catch-all name for devices of its kind, often referred to as “IMSI catchers,” the manuals include instructions for a range of other Harris surveillance boxes, including the Hailstorm, ArrowHead, AmberJack, and KingFish. →
http://www.edn.com/design/analog/4442660/A-major-change-in-smartphone-RF-filters-and-front-ends-as-5G-approaches?_mc=sm_edn&hootPostID=3973327ef39d343ee39fdb502d4e9ade →
http://www.valagroup.com/fi/2016/09/pros-cons-native-hybrid-web-apps/ This article gives good overview on different ways to build a mobile app. This is written on mobile apps in mind, but applies pretty much also to desktop. →
http://yle.fi/aihe/artikkeli/2016/09/02/yle-qualcomm-and-nokia-announce-worlds-first-demonstration-lte-supplemental TV broadcasting band is increasingly being used for mobile broadband. This is one step to this direction. →