Fix GPS accuracy - Galaxy S3. Worked for me. Tighten the 10 screws on the back of the phone. Greatly improved the accuracy of GPS/Location on my S3. : r/Ingress
6 Best Navigation Apps for Samsung Gear S3 - JoyofAndroid
Samsung Galaxy S3 Mini i8190 GPS Wi-Fi 5MP 1GB RAM 8GB ROM Android Phone | eBay
Amazon.com: Samsung Galaxy S LLL I9300 Unlocked GSM Phone with 4.8" HD Super AMOLED Screen, 8MP Camera, Android OS 4.0, A-GPS and Wi-Fi - Marble White : Cell Phones & Accessories
Galaxy S III 16GB (Verizon) Phones - SCH-I535RWBVZW | Samsung US
Samsung Galaxy S3 Mini i8190 Unlocked GPS Wi-Fi 5MP 4" Original 1GB RAM 8GB ROM | eBay