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16.04.2014
The first thing you have to check in dead mobile phones after checking the battery is shorting. Short circuit: If 2 parallel separate tracks touch each other due to some fault, it is called short circuit. Note: In circuit boards of cell phones, tablets or any other electronic device, there are tracks instead of wires through which current flows.
We can easily check whether there is shorting in the circuit board or not with the help of a multimeter.
Now touch the red probe (+) of the multimeter to negative terminal of the battery connector. If you see any reading on the multimeter or hear a continuous beep sound, then the motherboard is short i.e your mobile phone is short. Connect red probe to the positive terminal of the battery connector (vBat pin) and the black probe to the negative terminal (GND)as well as the 3rd pin called BSI.
Now, if you see any amount of current on the screen, then it means, the circuit board is short. If the circuit board is short, you will first have to remove shorting for fixing the problem, especially, if the handset is in dead condition. Note: The above procedure to check shorting is the same for all brands of cell phones and tablets including Samsung, iPhone, Nokia, Sony, HTC, Motorola and Chinese handsets. This entry was posted in Guides and tagged android, cell phone repair tips, chinese phones, circuit board, guides, iOS, iphone, LG, motorola, multimeter, nokia, PCB, samsung, shorting, sony by gsmtips. In order to keep your expenses in check, it is important to know how to check cell phone records. Even if you have a plan that is suitable to your needs, there are other reasons why you would want to check your cell phone records. Usually the easiest way to check your cell phone bill is to have the physical cell phone bill in front of you. If you do not have a paper bill, you can usually log into your cell phone provider's website using your cell phone account. It is also very much worth noting that some carriers may charge you an extra fee for what is known as detailed billing.
Due to privacy laws and other legislation, it is typically not possible for the average citizen to request the cell phone records of another private citizen without their consent. If you want to check the cell phone records of your ex-spouse, for example, you'll need to ask him or her first.
Most probably, mobile phone is the most used device by the people throughout the whole world.
And to meet the demand, manufacturers are producing their products in different places to reduce the cost. So, in this post I am gonna show you, how do you check your mobile phone’s quality using the IMEI number. If the seventh and eighth digits are 00 this indicates your cell phone is manufactured in Original Factory which ensures the best quality.
If the seventh and eighth digits are 01 or 10 this indicates your cell phone is manufactured in Finland which is high quality. If the seventh and eighth digits are 13 this indicates your cell phone is assembled in Azerbaijan which is too bad. If the seventh and eighth digits are 02 or 20 this indicates your cell phone is assembled in Emirates which is very poor quality.


If the seventh and eighth digits are 05 or 50 this indicates your cell phone is manufactured either in Brazil or USA or Finland. If the seventh and eighth digits are 06 or 60 this indicates your cell phone is manufactured either in Hong Kong, or China or Mexico. If the seventh and eighth digits are 08 or 80 this indicates your cell phone is manufactured in Germany which is fair quality. Though the above information has been collected from very reliable sources, 1 or 2 of them may slightly vary. Now touch the tip of the red probe of the multimeter on the terminal of the battery named ‘+’and touch the tip of the black probe on the terminal named ‘-‘.
If the battery is drained and showing 0 voltage or say less than 3.7, you will have to charge it with a charger. Many cell phone repair technicians also check batteries with the help of the tongue which is a very unethical and equally funny method. Now, if your battery is draining very fast even after fully charging it, you will have to check it obviously. This entry was posted in Guides and tagged battery, cell phone repair tips, guides, multimeter, tablet by gsmtips. The positive terminal (+) is the pin of the battery connector where the positive terminal of the battery touches on it. Just as you should be keeping track of all your other bills, from the mortgage to Internet service, including your cell phone expenses as part of your monthly budget only makes sense. If you find that you are making most of your calls in the evening, it may be worthwhile to look into cell phone plans that include unlimited nights.
For instance, it is not out of the ordinary to discover errors and unexpected fees that have been added to your bill.
Take a few minutes to familiarize yourself with the layout, where the information is placed, and how you should go about reading it.
Most carriers, like Fido and T-Mobile, have an area on their websites where you can log into your account and check many features regarding your account.
Instead of simply providing your aggregate usage, detailed billing will list every phone call you made, the number that was called, how long the call lasted, and other pertinent information.
The exception comes with some government officials, law enforcement agencies, and other security personnel that may be able to access that information, possibly under the Patriot Act. You may have also noticed that these phones are usually priced significantly lower than most others of the same make and model.
Android version is actually the unique number of this Android operating system, which your cell phone uses to run the applications and operate other functionality. Sometimes mobile phones are produced in China, India or any other country where production cost is relatively low. After pressing this code, you will see a 15-digit number immediately on the screen which is called IMEI number. With lots of usage of various functions and apps, the battery consumption has become very high in todays smartphones.
While it is certainly prudent to pay all your bills on time, in order to avoid late fees and other troubles, this does not mean that you should pay your bills blindly. This can represent a significant savings over paying for each minute individually or taking them out of your monthly bucket. You only have a small window in which to dispute these charges, so be sure to check every bill every month for any mistakes that your wireless carrier may have made.


Review how the minutes were used, if you had any overages, and if you were charged any additional fees that you did not know about.
This can be very useful for tracking your phone usage and, in the instance of concerned parents, it could be a good way to know if your children are chatting with people that they should not. It may also be found by removing the back cover and it may be placed on the battery sticker. Specially how to check if the cell is of high quality and manufactured in original factory. If after charging for a long time, still it is showing the same charge, then the battery is faulty. You will need to buy a new one as batteries are not repairable. They just touch the tip of their tongue to the ‘+’ terminal of the battery and if it gives a sort of current or spicy taste, then it means the battery is charged. While negative terminal (-) is the pin of the battery connector where the negative terminal of the battery touches on it. If you are consistently going over your monthly allotment, it may be a good idea to inquire about changing your cell phone plan. The online versions of the bills are usually quite similar to their paper counterparts and you may even be able to download a free PDF version to print, should you so desire. An ESN is an Electronic Serial Number which is used to identify a specific CDMA cell phone. If the reading of the battery is below 3.70V even after charging it, your mobile phone will not switch on. While if it does not give the above effect and you if you do not feel anything on the tip of your tongue, than its charging is down. But if the battery’s chemical inside has become weak or worn out, it will discharge quickly.
Without going into too much detail, a CDMA GS5Active cell phone generally does not use a SIM card to to identify and authenticate subscribers to the network (like a GSM carrier does). I am just writing this method for knowledge purpose and strongly advice against using it unless in an emergency! Although the screen of the phone indicates the charge level of the battery, you will need to check it with multimeter when your handset is dead!
This can be due to the fact that the original owner was dissatisfied with their current carrier and switched carriers, or had a billing dispute with their carrier and canceled service without paying the early termination fee, or they got behind on their bill. What is a bad esn on a cell phone can also be bad due to the cell phone being reported lost or stolen. If you dropped your cell phone and damaged it without insurance, it may be cheaper to buy a cell phone with a what is a bad esn on a cell phone and use it for parts than to buy a new one. First of all, if your contract is not over with the carrier, you will usually need to pay the last bill and the early termination fee before selling the phone.
If your contract is over with the carrier and you are paying month-to-month, you will need to let your carrier know that you are canceling your service and pay the final bill.
Alternatively, you may be able to put another cell phone on the line in place of the one which you are selling.



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