If the battery life in your iPhone 4S is getting worse and worse, or it just won't hold a charge, you can easily perform a DIY replacement. This can help you get lots more life out of your device and prevent having to buy a new iPhone before you absolutely have to.eplace the battery and grounding clip. 1  Pay attention to how the cable is bent on your old battery and if the new one is not crimped in the same fashion put the folds in it before inserting it into the iPhone 4S. 2  Line up the grounding clip you removed previously over the screw hole before snapping down the battery.
DEFINITION of 'Financial Institution-FI'. An establishment that focuses on dealing with financial transactions, such as investments, loans and deposits. Conventionally, financial institutions are composed of organizations such as banks, trust companies, insurance companies and investment dealers.
Types Of Financial Markets And Their Roles. A financial institution is an establishment that conducts financial transactions such as investments, loans and deposits. Almost everyone deals with financial institutions on a regular basis. Everything from depositing money to taking out loans and exchanging currencies must be done through financial institutions. Here is an overview of some of the major categories of financial institutions and their roles in the financial system. Commercial Banks Commercial b anks accept deposits and provide security and convenience to their customers.