Huawei Honor 9 can t select card 1 or card 2 dialing

Cause 1: Check whether you have installed third-party address book software, which will cause you to be unable to select the third-party address book software.

Solution 1: It is recommended to uninstall the third-party address book software and use the built-in dialing interface of the system.

Problem Cause 2: Confirm that the default dial card is selected.

Solution 2: Tap Settings >Dual SIM Management>Default Dial Card] and select Don't Set. Once the setup is complete, the dialing interface will prompt you to select a dial card.

If Card 1 or Card 2 is selected, the Card 1 and Card 2 options will not appear on the dialing screen, and the dialing will be made directly using the default dial card.

Here's how:

Operation tool: Huawei phone.

1. First, enter the desktop of the mobile phone and click the settings button.

2. At this time, on the settings page, click [Dual SIM Management].

3. After entering the dual SIM management page, click the default dial card.

4. At this time, select card 1 or card 2 in the default dial card list. This sets the default dial card successfully.

Please pay attention to the following precautions in daily use:

1。Please use the official standard charger to charge the battery, ensure that the charging voltage is stable and meets the first compliance standard, so as to avoid affecting the battery use.

2。Theoretically, keeping the battery in the middle (e.g. 30%, 80%) is more conducive to prolonging battery life, thus:

1) After the phone is fully charged, it is recommended that you unplug the charger to avoid long-term charging and bending or long-term high power state to accelerate the aging of the battery, so as to prolong the battery life.

2) If the mobile phone is idle for a long time, it is recommended to turn off the mobile phone and charge it regularly to maintain about 50% of the battery. If the phone is not used or charged for a long time, the battery may trigger over-discharge protection, resulting in abnormal charging or failure to charge. <>

The mobile phone card, card slot or mobile phone terminal is damaged; 4.The status of the mobile phone card is abnormal (such as shutdown, closed account, etc.); You can try to solve it by:1

Turn the phone on and off and restart it to test it; 2.Reseat the mobile phone card and check whether the card slot is loose or deformed. 3.You can re-search the network in another location or ask nearby users if they are using it normally; 4.

Test whether the mobile phone card or terminal is faulty; 5.Verify that the status of the SIM card is normal; 6.Verify whether the mobile phone stool lift terminal supports China Unicom network.

If the above methods still cannot solve this problem, it is recommended to contact the local Unicom customer service or consult the official customer service of the mobile phone for understanding.

Honor 9i uses nano-SIM card + nano-SIM card, that is, dual SIM cards are mini cards with the smallest size. The steps to install the card are as follows:

The first step is to take out the SIM card pin that comes with the Honor 9i phone;

The second step is to use the card pin to insert vertically into the small hole next to the SIM card slot on the left side of the fuselage, and push it with a little force to eject the card tray, and then take out the card tray directly;

The third step is to put the prepared Nano SIM card single or dual SIM into the card slot, and then install the card tray back into the mobile phone.

The fourth step is to turn on the phone, and the mobile phone can successfully identify the signal under normal circumstances. If it shows no SIM card, please remove the card slot, check whether the SIM card is installed correctly, and try again.

There are several reasons for this, the first reason is to check whether you have installed a third-party address book software, which will make you unable to select it. The solution is to uninstall the third-party address book software and use the system's built-in dial-up interface.

The second reason is to confirm whether the default dial card is selected, and the solution is to click on it.

Then select. Once the setup is complete, the dialing interface will prompt you to select a dial card. If a card is selected.

or card. 2. The card will not appear on the dialing interface.

and cards. option to dial directly with the default dial card.

Huawei P10 & P10

Plus mobile phone card tutorial.

huawei

p10/p10

Plus is a double card tray in one design, the card tray is on the left side of the phone, you can insert it at the same time.

Sheet. nano

SIM card, or 1

A nanosim card and 1 card.

microsd

Card. 1.In the shutdown state, find the card slot at the top of the left side of the mobile phone, use the included card pick-up needle to vertically insert the old hole on the side of the card tray, and press to make the card tray pop out.

2.Look at Cato.

Innercard (also called sim

1) Only.

nano-sim

Card. Wild card (also called SIM

2) Support. nano-sim

card or. microsd

Card. Note: Mobile phones only support.

nano-sim

Card, standard. sim

card and. micro-sim

None of the cards are supported.

3.Insert the card. Will.

nano-sim

cards and round beams. microsd

The cards are placed in the card tray according to the indicated direction, paying attention to the direction of the notch.

The loaded tray is flat, and when viewed from the side, the tray and card are on the same plane.

Note: Only 1 card can be inserted at a time in card slot 2.

4.Insert the card tray back.

The phone screen pushes the card tray flat back into the card holder.

You can press down gently.

nano-sim

card or. microsd

card to prevent the card from being slightly jacked up by the shrapnel in contact during the card insertion.

nano-sim

card, microSD

Insert the card into the card holder where the card tray is placed, and do not use non-standard cuts.

nano-sim

Card. Not even the card that the business hall helped to cut. Damage to your phone caused by these reasons cannot be repaired for free.

5.Press and hold the power button to power on, and you can start using the HUAWEIP10 P10

plus.