#!/bin/bash
# your code goes here

get() { echo android_device_samsung_n7000; }
out() { echo "manufacturer: $1, device: $2"; }

# 1) POSIX
(get | tr _ ' ' | {
	read _ _ manufacturer device # IFS=_ вроде по посиксу, но не уверен
	out "$manufacturer" "$device"
})

# 2) Bash process-subsitution (или <<< WORD)
(IFS=_ read -r _ _ manufacturer device < <(get)
out "$manufacturer" "$device"
)

# 3) если version >= 4.2
(shopt -s lastpipe
get | IFS=_ read -r _ _ manufacturer device
out "$manufacturer" "$device"
)