Cellular Data Not Working on Smartphone

Cellular Data Not Working on Smartphone

Sometimes smartphone users have discovered cellular data is failing to work. It is failure to transmit any data or access the internet, maybe it can affect your life and work. When the smartphone can' t connect to a cellular network, it displays your network is failing. In some situations, the Cellular Data button is disabled, turn into grayed out and unable to be toggled on. You must know the reason and solution.

When smartphone has no signal fault, you should exclude the SIM card cassette fault, then

you

need

detect

and

exclud

the

related

components in the RF circuit. If these are normal, you can check the microprocessor and data signal processor chip.

1. Check the SIM card. Re-insert the SIM. 2. Check whether the SIM card socket weld or oxidation. Re-welding the rosin joint or wipe SIM card socket the with absolute alcohol.

3. Check that the antenna interface is good.

Re-weld or plug in the antenna jack.

Tips: Check the SIM card and SIM card socket, cellular data

and SIM card are connected.

4. Check the antenna switch is weld or damaged.

Re-weld or replace the antenna switch.

5. Check surface acoustic wave filter. And replace the surface acoustic wave filter.

6. Check the RF power management chip is weld or damaged. If it is damaged, you can re-weld or replace the RF power management chip.

7. Check the RF power amplifier is weld or damaged. If it is damaged, you can re-weld or replace the RF power amplifier.

8. Check the RF signal processing chip. If it is damaged, you can re-weld the RF signal processing chip.

9. Check the microprocessor and data signal processing chip. You can re-weld or replace the microprocessor and data signal processing chip.

If your smartphone doesn't connect to cellular

data, you may not be able to do anything, which will delay your time.

More information about phone repair guides and

phone

repair

vipfixphone.com.

tools,

you

can

follow