Now live, being shipped some people are reviewing it, Amazon appears to have an exclusive with added RAM and dual SIM.
Standard 2GB RAM model is £10 less but worth the extra to future proof it. The G5 plus is not available yet.
"This model includes extended RAM of 3GB for faster processing power and Dual SIM card slots to use 2 Sim Cards in just the one device."
Amazon Exclusive Model; 3GB RAM with Dual SIM
1.4GHz Octa-core Qualcomm Snapdragon 430 Processor with 16GB of Internal Storage
Android Nougat (V7.0) and supports Turbo Fast Charging (80% charge in just 30-40 minutes)
13 Mega Pixel Rear Camera, f/2.0, auto focus, Dual-LED Flash, Auto HDR with 1080p 30fps Video. 5 Mega Pixel Front Camera, f/2.2, auto HDR
5.0 inch screen with 1080x1920 pixels (401ppi), 2800 Li-Ion Removable Battery
External Memory Card Slot (MicroSD up to 128GB) and Fingerprint Sensor