(see edit below...I've been corrected!) Iodine/betadine is a drying agent. You are doing more harm than good if you use it to 'strengthen' your horses hooves. For thrush you use a diluted bleach or an actual thrush remedy like thrush buster or kopertox. To toughen a horses sole you can use Venice Turpentine.
The Motorola Moto G EXT Android smartphone supports the Android 4.4 Jelly Bean operating system and has a large 5-inch LCD display, a 1.2GHz quad-core processor and both a front-facing camera and a 8 megapixel rear-facing digital camera that capture HD pictures and 1080p videos.
The Motorola Moto Z runs Android 6.0.1 and is powered by a 2600mAh non removable battery. It measures 153.30 x 75.30 x 5.20 (height x width x thickness) and weighs 136.00 grams. The Motorola Moto Z is a single SIM (GSM) smartphone that accepts a Nano-SIM. Connectivity options include Wi-Fi, GPS, Bluetooth, NFC, 4G. Sensors on the phone include Proximity sensor, Ambient light sensor, Accelerometer, and Gyroscope.