Samsung Galaxy Note 4 - Page 111

>>>GoFurther:WhatAreIPandMACAddresses?
AMediaAccessControl(MAC)addressisanumberburnedintoyourGalaxyNote4that
identifiesitsWi-Fiadapter.ThisiscalledthePhysicalLayeraddressbecauseitisaphysical
adapter.AnInternetProtocol(IP)addressisasecondarywaytoidentifyyourGalaxyNote4.
UnlikeaPhysicalLayeraddressorMACaddress,theIPaddresscanbechangedatanytime.
ModernnetworksusetheIPaddresswhentheyneedtodeliversomedatatoyou.Typicallywhen
youconnecttoanetwork,adeviceonthenetworkassignsanewIPaddress.Onhomenetworks,
thisistypicallyyourWi-Firouter.
SomenetworkadministratorsuseasecurityfeaturetolimitwhocanconnecttotheirWi-Fi
network.TheysetuptheirnetworktoonlyallowconnectionsfromWi-Fideviceswithspecific
MACaddresses.Ifyouaretryingtoconnecttosuchanetwork,youwillhavetogivethenetwork
administratoryourMACaddress,andhewilladdittotheallowedlist.
>>>GoFurther:WhatIsPasspoint?
PasspointisatechnologythatisbeingusedincreasinglybyoperatorsofWi-Fihotspots,andits
purposeistoletyourNote4(andotherPasspoint-enabledsmartphonesandtablets)to
automaticallyroamontothehotspotswithnoneedforyoutosearchforthemorlogintothem
usingthetypicalhotspotloginwebpage.SimplybasedontheSIMcardinyourNote4,youare
automaticallyauthenticatedontothesehotspotsandprovidedasecureencryptedconnection.
Wi-FiDirect
Wi-FiDirectisafeaturethatallowstwoAndroiddevicesrunningversion4.1(JellyBean)orlaterto
connecttoeachotherusingWi-Fisotheycanexchangefiles.BecauseWi-Fiismuchfasterthan
Bluetooth,ifyouaresendinglargefiles,usingWi-FiDirectmakessense.Youdonotneedtobe
attachedtoanexistingWi-FinetworktouseWi-FiDirect.
It’sNotAllGood:Wi-FiDirectIsNotWorking
Atthetimeofwriting,Wi-FiDirectwasnotworkingontheGalaxyNote4.Imadeseveral
attemptstosendfilestoanumberofdifferentAndroiddevicesthatwererunningdifferent
versionsofAndroid,andthesendingalwaysfailed.IfyousearchforWi-FiDirectinthe
GooglePlayStore,youcanfindanumberofthird-partysolutionsthatuseWi-FiDirectbut
maketheconnectionsbetweendevicesthemselvesinsteadofrelyingonAndroidtodoit.
SendaFileUsingWi-FiDirect
FollowthesestepstoconnecttoanAndroiddevicerunningversion4.1(JellyBean)orlaterviaWi-Fi
DirectandsenditfilesfromyourNote4.
1.AsktheotherpersontoenableWi-FiDirectonhisAndroiddevice.TheWi-FiDirectscreenis
normallyundertheWi-FiSettingsorWi-FiAdvancedSettings.
2.TaptheShareiconfortheitemyouwanttosend.ThiscanbeapictureintheGalleryapp,for
example.