Manual for sg71204hcc380

Manual for sg71204hcc380

Brand: Haier

Category: Mobile Phones

Document Type: Manual

Language: EN

Uploaded: Nov. 21, 2025, 8:10 p.m.

Getting to Know Your Phone

Basic Specification

  • Size: 108.6*45.2*13.3(mm)
  • Standby Time: about 700 hours
  • Talking Time: about 360 Minutes

Notice: Standby time is the handset continuous working time without making phone calls. Standby time and talking time are both depending on mobile phone using situations, network situations and environments.

Getting Started

Install and charge the phone

1. Remove the back casing

2. Insert the RUIM card

3. Insert the battery

4. Insert the back casing

Basic Functions

Switching On/Off

  • In the power off status, long press the Power Key to switch on the phone.
  • In the power on status, long press the Power Key to switch off the phone.

Making phone call

Making phone call by dialing number

  1. In the standby mode, enter the phone number you want to dial, and press the Send Key to make the call.
  2. To end the call, press the End Key.

Making phone call using contacts

  1. In the standby mode, short press Center key to access the Main menu > Contacts;
  2. Select List to view the contacts list, and press Up/Down key to choose one contact, or select Search to search out the contact you want to call.
  3. Press the Send Key to make the phone call.

Making phone call using call history number

  1. In the standby mode, press the Send Key to display the last 150 numbers in call history.
  2. Select the number or name you want to redial, and press the Send Key.

Making phone call using speed dial

In standby mode, press and hold one number key [1-9] to make phone call. See chapter 5 for more information about setting speed dial.

Making a conference call

Conference call is network services that allow taking part in a conference call with other participants.

  1. Make a call to the first participant.
  2. Enter another number of the second participant; or get the number from your Contacts.
  3. Press the Send Key, the first participant will be hold on.
  4. When the second participant picks up, press Send Key to connect the call.
  5. To end the conference call, press the End Key.

Troubleshooting and error codes

Common problemsCheck item
Can not chargePlease check if the charger is properly connects to the phone and the power source jack.
Can not power onPlease check if the battery level is too low;
Please check if the batter is properly loaded;
Please press Power Key enough time.
Insert the R-UIM card but can not read the information in the R-UIM cardPlease check if properly inserted the R-UIM card;
Please check if your R-UIM card is valid.
The mobile phone displays "Input PUK Code"Please communicate with the service provider to get the PUK code and use it to unlock.
Can not make phone callPlease check if the phone number is valid.
Please check if you are in service area.
Weak talk qualityPlease check if the phone signal is strong enough;
If you are in the building, please move the phone or move near the window.
The contact can not get your voice when making phone callPlease check if your mic has blocked by fittings or other blocks.
Receiver sound is too lowPlease check if your receiver volume has been adjusted to the maximum.
The mobile phone has a weak receive signal or usually drop in the phone callPlease check if the phone has a strong signal.
If no signal, please use it in a strong signal place.
The screen display the information such as "No Service" or: Searching..."Please check if you are in a weak signal area (in the channel or surround by buildings), change the area and retry.
Please check if you can try to get the services without the service provider permission. If needed the service, please contact the service provider for more information.
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