CONQUEST specializes in high-end, rugged 5G smartphones and handheld communication terminals built for military, industrial, and extreme environments.
Shenzhen Conquest Communication Equipment Co., Ltd. (CONQUEST) is a recognized manufacturer of high-end intelligent triple-proof handheld terminals and rugged smartphones.
Known for extreme durability and advanced features like thermal imaging, night vision, walkie-talkie functionality, and 5G connectivity, CONQUEST devices are designed for demanding sectors including public safety, petrochemicals, aviation, and emergency rescue. With rigorous testing for water, dust, drop, and extreme temperature resistance, CONQUEST ensures reliable performance in the harshest environments.
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Shake the phone to ensure water is out of the speaker membrane. You can also use a hairdryer on a cool setting to quickly dry excess water from the horn and earpiece to restore normal volume.
Ensure it is properly installed and the card slot is secured. Toggle flight mode on and off or restart the phone. If the issue persists, carefully clean the SIM chip with a cotton swab and alcohol.
Go to Settings > System > Advanced > Reset options > Erase all data (factory reset). Ensure you back up all your data before proceeding as this will wipe the device.
Check the charger and the contact position for any signs of dirt or oxidation. A quick wipe with a cotton swab and rubbing alcohol should solve the issue.