Answer to: apple iPhone continuously crashing why?Have you updated to the latest iOS? If not then try doing that. If the problem still persists then: (1) Back up you iPhone (on the icloud or itunes on your computer) (2) Do a factory reset. (3) Restore the phone from back up.
Answer to: GPS & Bluetooth work sporadically.My take on the GPS problem for iPhone 6:: GPS problem encountered (only when using LTE or 4G): (1) The google map could not place me accurately. (2) My location kept jumping around with in a radius > 1 km (3) Location was accurate only when connected to WIFI After countless hours of research, I decided to try one solution after another with the increase in complexity:: (1) Tried soft troubleshooting as described on this link: http://www.idownloadblog.com/2016/10/14/...-not-working-iphone/ (1) Result: problem unresolved'''' (2) F-Cable sticker: Repositioned it several times. Here is a photo of the sticker on the F-Cable. https://photos.app.goo.gl/bpaNVc0h9U2lyA... (1) Result: problem unresolved (3) Replace GPS antenna and F-Cable: Bought the components from Amazon ($4.90 each) (1) https://www.amazon.com/gp/product/B00ZK9... (2) https://www.amazon.com/gp/product/B01F30... Replaced both using the instruction from the following (mostly IFIXIT): (1) iPhone 6 Antenna Flex Cable Replacement (2) https://youtu.be/iqbZ...