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Introduction
Thank you for choosing the Co-Comm F840 telephone. This phone is designed for use
with GSM 900/1800, UMTS 900/2100 MHz, LTE FDD B1/2100MHz, B3/1800MHz,
B7/2600MHz, B20/800MHz and LTE TDD B38/2600MHz networks. To operate, it
requires a valid SIM card from your network operator. Please consult your network
operator for more information.
Security instructions
Please read carefully following instructions before you start using your Co-Comm
F840 device:
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Keep this manual for future reference.
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Keep the phone away from moisture.
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Place the phone on a stable surface before start using.
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If any of the following situations occurs, have it checked by a qualified service
technician:
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It has been exposed to moisture.
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It has been dropped or damaged.
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It has obvious signs of breakage.
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Do not place the phone at a distance of less than 1.5 m from a water source.
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Do not use the device in areas where there is risk of explosion.