Sony Xperia M4 Aqua

Sony Xperia M4 Aqua

You can't start up your phone - Sony Xperia M4 Aqua

Cause 2 of 5: The phone lock code is turned on

The phone lock code is used to protect your phone from unauthorised use. If the phone lock code is turned on, it needs to be entered every time you turn on your phone.

Solution: Turn off the phone lock code.

Step 1 of 17

Find "Screen lock"

Slide two fingers down the display starting from the top edge of your phone.
Press the settings icon.

Step 2 of 17

Find "Screen lock"

Press Security.

Step 3 of 17

Find "Screen lock"

Press Screen lock.

Sony Xperia M4 Aqua
Step 4 of 17

Select option

You can create several types of phone lock codes. The following steps show two examples:
Create phone lock code using a pattern, go to 2a.
Create phone lock code using a PIN, go to 2b.

Step 5 of 17

2a - Create phone lock code using a pattern

Press Pattern.

Step 6 of 17

2a - Create phone lock code using a pattern

Press and drag a point to connect at least four points.

Step 7 of 17

2a - Create phone lock code using a pattern

Press CONTINUE.
Repeat the selected phone lock code to confirm.

Step 8 of 17

2a - Create phone lock code using a pattern

Press CONFIRM.

Step 9 of 17

2a - Create phone lock code using a pattern

Press the required setting.

Step 10 of 17

2a - Create phone lock code using a pattern

Press DONE.

Step 11 of 17

2b - Create phone lock code using a PIN

Press PIN.

Step 12 of 17

2b - Create phone lock code using a PIN

Key in the required phone lock code and press CONTINUE.

Step 13 of 17

2b - Create phone lock code using a PIN

Key in the phone lock code again and press OK.

Step 14 of 17

2b - Create phone lock code using a PIN

Press the required setting.

Step 15 of 17

2b - Create phone lock code using a PIN

Press DONE.

Step 16 of 17

Turn off use of phone lock code

Press None.

Step 17 of 17

Return to the home screen

Press the home icon to return to the home screen.

1 Find "Screen lock"

Slide two fingers down the display starting from the top edge of your phone.
Press the settings icon.
Press Security.
Press Screen lock.

2 Select option

You can create several types of phone lock codes. The following steps show two examples:
Create phone lock code using a pattern, go to 2a.
Create phone lock code using a PIN, go to 2b.
Sony Xperia M4 Aqua

3 2a - Create phone lock code using a pattern

Press Pattern.
Press and drag a point to connect at least four points.
Press CONTINUE.
Repeat the selected phone lock code to confirm.
Press CONFIRM.
Press the required setting.
Press DONE.

4 2b - Create phone lock code using a PIN

Press PIN.
Key in the required phone lock code and press CONTINUE.
Key in the phone lock code again and press OK.
Press the required setting.
Press DONE.

5 Turn off use of phone lock code

Press None.

6 Return to the home screen

Press the home icon to return to the home screen.

Did this solve the problem?

Yes - All solved No - Go to next cause

Get information on...

Or select...

Another device
4g accessories icon-app-store basket-change battery-life battery bill-pay-phones-icon 4C91DB73-75FE-4565-8F69-BC6C675B1EA1 bin block Brands broadband-icon broadband calendar call camera cases Chat chevron-down chevron-left chevron-right chevron-up close close collections€€ community continuous contract dashboard data download-square Download edit error-circle eye facebook filters folder go identity Less letters location Memory menu message mobile my-vodafone network_signal operating-system orders payg-phones-icon F86C85F6-FFFF-4C62-8F9A-45D7251FC836 payment photos play-store play plus rating report return roaming screen-size search secure-net shopping sim spinner squares technology tick-simple top-up top-up TV twitter value vf-tv-icon vodafone warning Weight world
Close dialog
Skip to content

Login to My Vodafone

Close dialog
Skip to content

Register with My Vodafone