11 Network access and data sharing
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
11.46 Why is the usage calibration message of Phone
Manager incorrect or is the calibration failed?
This function is subject to the service providers. In certain areas, the automatic usage
calibration function is not valid. You need to manually send a message to the service provider
to query the usage. Then, in Traffic manager of Phone Manager, enter the queried usage
and set the Data limit/Start day.
11.47 Why can I use only the 2G network?
Make sure you have correctly placed the SIM card in the 4G card tray, the 4G service has
been activated for your 4G phone, and the current area is covered by the 4G network.
11.48 What is Signal+?
The Signal+ provides the following functions:
1. When the signals in the edge areas of the network are weak, the Signal+ receives signals
in an all-round manner, thereby optimizing the network experience and call quality.
2. In a high-speed mobile network environment (for example, on a train), the Signal+
improves the call success rate and reduces the network drop or call drop rate.
11.49 Where can I learn the Signal+ description?
Go to Settings > Wireless & networks > More > Link+-Signal+ to learn the specific
description.
11.50 What is Roaming+?
When you power on your phone for the first time or disable airplane mode in other countries,
the Roaming+ function can search for an available roaming network within the shortest period
of time.
11.51 Where can I learn the Roaming+ description?
Go to Settings > Wireless & networks > More > Link+-Roaming+ to learn the specific description.
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