General information2 Confirm the installation. The .JAR file is required forinstallation. If it is missing, the smartphone may askyou to download it. If there is no access point defined,you will be asked to select one. When you aredownloading the .JAR file, you may need to enter a username and password to access the server. You canobtain these from the supplier or manufacturer of theapplication. The smartphone informs you wheninstallation is complete.Tip: When you are browsing, you can download aninstallation file and install it immediately. Note,however, that the connection is left running in thebackground during installation.Data transmissionThis smartphone employs the data transmissioncapabilities of the GSM network to send multimediamessages, short messages and e-mail, and to establishconnections with remote computers.Wireless data connections can be made from mostlocations where your smartphone operates. However, it isrecommended that you move the smartphone to a locationwhere the strongest possible wireless signal can beThe following factors may impair wireless connections inthe form of noise, low or lost signal, erroneous function ofthe smartphone, or distorted display:Noise - Radio interference from electronic appliances andequipment, as well as from other phones will affect thequality of wireless data transmission.Roaming - As the smartphone user moves from onenetwork cell to another, the signal strength of the channeldrops and the wireless telephone exchange may hand theuser over to a different cell and frequency, where thesignal is stronger. A cell handover may also occur whenthe user is stationary, due to varying network traffic loads.Such handovers may cause slight delays in transmission.Electrostatic discharge - A discharge of static electricityfrom a finger or a conductor may cause erroneousfunctions in electrical devices. The discharge may result indistorted display and unstable software operation.Wireless connections may become unreliable, data maybecome corrupted, and transmission halted. In this caseyou need to end the existing call (if any), switch off thesmartphone (if on) and remove the battery. Then replacethe battery and establish a new wireless connection.