Mobile Telephony - Page 9

Are OI shares still a good option? See the analysis!

Oi (OIBR3) was one of the main favorite bets of many investors – many with a speculative bias. Even after difficult years and value destruction, the operator managed to grow its shares by 155.81% last year. However, is all this growth justifiable? Since its privatization, Oi has been on an unstable trajectory […]

How do I know if my Chip has been Cancelled?

If your device is not making calls, it is possible that your SIM card has been canceled. Now, let’s see what to do in this situation. First of all, you will need to find out if the SIM card is really having problems. It is possible that the problem is actually with your device or the connection. Even if it is confirmed that […]

How do I change the area code on my chip?

First of all, you should know that changing the DDD of your SIM card will be quite easy if it is still deactivated. Follow us to see how. It is also possible to change the DDD of an active SIM card, but it will not be as simple. In order to do so, you will need to contact your carrier. So, read our […]

My cell phone recognizes the chip but doesn't make calls, how can I solve this?

Does your cell phone recognize the SIM card but you can’t make calls with it? Then follow us to understand what’s going on. With the difficulties in recognizing the SIM card, other problems can prevent you from making calls. See what they are and how to solve them below. Possible Causes First, we need to know the cause of the […]

Algar Telephone

Algar Telephone Number: How to contact this operator? In many cases, consumers may feel the need to speak to the company hired to provide a product or service. The demands are diverse and may include complaints, suggestions, criticisms or even contracting a service. In this sense, Algar offers its customers several communication channels […]

Chip not provisioned: what is it, how to solve it?

Chip not provisioned means that there is a problem with your device recognizing the SIM. Are you experiencing this situation? First of all, stay calm. When this message appears, there are several possible meanings. Some are not very worrying and can be easily solved. Initially, it is advisable to try turning off your device and then […]

My Chip was blocked due to lack of credit: how do I reactivate it?

Is it possible to reactivate a SIM card that has been blocked due to lack of credit? The answer is yes, now read this article to understand how. It would really be a big problem to have the SIM card blocked. After all, the cell phone is very important and without a SIM card it cannot make calls or access the network. That is why it is important to check […]

Nextel Phone

Nextel phone number: how to contact the operator? Many times we need to contact a company with which we have some type of contract or if we want to purchase a new product. However, there are always several phone numbers that can leave us in doubt. Certainly, by calling any number of the company, you will be able to resolve the issue […]

How do I find out my cell phone PIN?

Many people wonder, after all, how to find out the PIN of a cell phone? If this is also your question, stay with us and see the super simple tips to find out your cell phone PIN without having to rack your brains. Many people do not know what the term “PIN” is. But know that it is very important […]

Claro Control free device

Claro Control Free Device: see how to get it! It’s hard to find someone who doesn’t have a cell phone in their hands these days. And with so many options, it’s even hard to choose a model that we like. We’ve often seen the so-called Control Plans, but what is it after all? How does it work? Is it better to […]