Mobile Phone and Smart Phone problems and solutions for the CAT B25

Problem: The battery life is too short - the battery runs out quickly! This is a new phone, too!

Solution 1: Different phones have wildly different battery needs. Generally speaking, the bigger the screen and the more functions in use (e.g. bluetooth, wifi, gps etc), the faster your battery will run down. Google "Typical Battery life" for your phone and see what other people are getting. If you are getting much (more than about 40%) worse battery life and you have turned off all unnecessary applications, functions and services, your phone may have other issues and you should contact the manufacturer / your retailer to investigate further.
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Problem: I dropped my phone in water and now it's off. What do I do?

Solution 1: Cut the power. Do this now. Don't turn it on.

In an ideal world, you would remove the battery to make sure there is no power going through the phone. The two main types of damage you are likely to do to your phone if it's been exposed to water are:
(1) Short circuit - power running though the phone could short circuit the electrical components inside. Cut the power immediately to minimise this risk.
(2) Corrosion - the internals of the phone are not designed to come into contact with water and are likely to corrode more quickly. But there's not a lot you can do about this.

Best advice, remove the power and leave it a good, long time (days and days, not hours and hours) before you turn the phone on. If you are lucky and you cut the power in time, you might get away with it. Pour away any water you can that's trapped inside, then give the rest of the water enough time to evaporate away.
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Problem: My phone is frozen and won't respond.

Solution 1: Do a hard reset. Hold the power button down for ten seconds or so, or Google how to do a hard reset.
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Problem: I can't take any photos any more.

Solution 1: Have you checked how much storage space you have left? You might need to move some photos off your phone and onto your computer.
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Problem: The speaker doesn't work.

Solution 1: Obvious solution first - have you checked all of the different volume settings? Some phones have more than one volume setting and you might have to check the instructions to see if there are any other volume settings. If this is not the case, have you caused any damage to the speaker, by dropping the phone or inserting anything into the speaker? Check for signs of damage.

Also check the phone isn't in a silent mode or a do not disturb profile.
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Problem: How do I improve battery life? It's not very good at the moment.

Solution 1: Try to shut down applications and functions when you're not using them. Charge the battery to full, don't remove it before it's fully charged and try not to leave it plugged in for too long after it has reached 100%.

The screen is a massive user of battery life, so turning down the brightness setting will make a big difference.
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Problem: The phone keeps restarting randomly. I can't get anything done because I keep having to sort it out after my phone reboots.

Solution 1: There may be a few reasons for this. In a phone that had a removable memory card, I would say to take that out and try again without it (or reformat the card) but in this case I think it is possibly due to either (a) an application that is running in the background that is causing the reboot, or (b) a faulty component. For (a), try to shut down any applications that are currently running, particularly any that are new to your phone. For (b), try turning off all the additional functions on your phone and see if that stops the problem. If so, turn them on one by one until you find out what is the root of the problem. If not, feel how warm your phone is when it restarts - is it overheating?
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Problem: Can't connect to NetWork, and I try the SIM card in an other phone and it works?

Kaj

Solution 1: i have the same problem also it can not accept bluetooth(*the bluetooth is for dual sim & good with b25) *BUT*
with both Lines activate one of two always there is false parametre & can not make NEW calls or it blocks both periodicly.
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Problem: bonjour je ne connais pas le mots de passe pour restaurer les parametres ni 0000 ni 1111 ni 1234 ??? merci de m aider

hello I do not know the passwords to restore parameters or 0000 or 1111 or 1234?? thank you for helping me

Solution 1: Try 1122
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Problem: Hello, I have a CAT B25 but on the other side told me that I hear muffled from microphone. Please help.

Solution 1: I noticed the same thing with a CAT B25 from a family member.
They understand me crystal clear, but I only hear them muffled - unless they almost shout into the microphone.
I took a look at the phone, tested recording the phone calls - both on the CAT itself, as well as on my smartphone.
And then I tried the CAT's dictaphone, both in low quality (amr) and high quality (wav).

Guess, what I found: It's a CODEC SETTING problem - wav-files are crystal clear (read: The microphone works without problems), but amr (which is also the one used during phone calls) apparently is set to filter certain high frequencies and anything below a certain sound volume (in this case, this makes voice calls at normal talking levels muffled).
This KIND of makes sense, since the CAT B25 is a phone actually meant for construction site workers (where it's so noisy, that people often have to yell into their phones).
BUT, it was sold as a normal consumer product as well - so, it should be possible to customise such setting.

Sadly, it does not seem, like like there is currently any way to set miceophone sensitivity or customise any codec settings.
I will send a mail to Caterpillar's customer service, and I urge everyone with a CAT phone to do so as well.

Ask them to make microphone sensitivity and codec settings customisable!
This is a pure SOFTWARE problem, and it should be easy to solve it with a simple firmware update!
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