Shenzhen Liangfeng Technology Co., Ltd.
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Train Available GSM Landline Phone Has A Strong Signal Receiving Ability
GSM Landline Phone Precautions:
1. This product should not be used near garages, oil depots, chemical plants or any flammable and explosive items.
2. This kind of phone should be avoided in the hospital, it will interfere with medical electronic equipment, such as pacemakers and earphones.
3. If you find that the phone cannot successfully log in to the network, please check whether your SIM card or antenna is installed properly.
4. When using the phone (making calls or answering calls), it is forbidden to touch the antenna, otherwise the phone will be damaged. Such damage is not covered by the warranty.
GSM Landline Phone Common Problems And Reasons:
| Symptoms | Possible Reason |
| Unable to start | 1. The battery is not installed 2. The battery is low and the power adapter is not connected |
| Wrong PIN code | 1. The SIM card is inserted incorrectly 2. The SIM card is locked and requires professionals to initialize the phone |
| Dropped Lines in Communication | 1. Low battery 2. Weak signal strength |
| low volume | In the call state, press the up and down keys to adjust the volume |
GSM Landline Phone Manufacturer Services:
1. Logo print/start logo;
2. Custom language/keyboard language;
3. Customized gift box, carton, user manual;
4. Custom label, IMEI, etc.