Brand: Huawei
Category: Mobile Phone
Document Type: Quick Start Guide
Language: EN
Available Languages: EN , ES
Quick Start Guide for F688
Uploaded: Nov. 21, 2025, 7:04 p.m.
Manual Publish Date: 2014-01-01
Warranty Information
No specific warranty period is mentioned in the provided pages.
Installing the SIM Card: Ensure the device is powered off. Insert the SIM card with the golden contacts facing downwards and the beveled edge aligned with the slot. Check for full insertion.
Installing the Battery: Ensure the golden contacts of the battery align with those in the battery slot. For the handset, insert the battery as shown in the diagrams.
Connecting the Power Adapter: Connect the power adapter to the F688 to charge the device. It is recommended to charge the phone before first use.
Powering On: Press and hold the power button to turn on the base and handset. The base may power on automatically when connected to the adapter.
Registering a Handset: Press and hold the search/registration button on the base. On the handset, navigate to Settings > Handset > Register handset, then select the base.