The improvement of Wi-Fi quality has been performed on the latest models (released after May, 2012). The improvement has also been performed on released au smartphones with software updates, allowing users to use their phones more comfortably.
KDDI will continue to make every effort to offer higher-quality au mobile phone services and appreciate your understanding.
Details of Wi-Fi quality improvement
KDDI makes the following three improvements on customers' au smartphones, enabling them to use Wi-Fi more comfortably.
Countermeasure (1): Improvement of the battery length while Wi-Fi is on
Countermeasure (2): Shortening of the waiting time for switching from 3G communications to Wi-Fi communications
Countermeasure (3): Shortening of the waiting time for switching from Wi-Fi communications to 3G communications
The following table shows models on which software updates are performed, details of the countermeasures, and the timing of the update.
|Model||Countermeasure (1)||Countermeasure (2)||Countermeasure (3)||Update availability||Timing of update|
|Sharp||IS03||-||o||o||o||Updated on 9/25
|INFOBAR A01||o||o||o||o||Updated on 8/30
|AQUOS PHONE IS11SH||o||o||o||o|
|AQUOS PHONE IS12SH||o||o||o||o|
|AQUOS PHONE IS13SH||o||o||o||o||Updated on 7/18
|AQUOS PHONE IS14SH||o||o||o||o|
|Kyocera||DIGNO ISW11K||o||Complete||o||o||Updated on 10/4
|NEC CASIO Mobile Communications||G'zOne IS11CA||-||o||o||o||After January|
|MEDIAS BR IS11N||-||Complete||o||o|
|LG Electronics||Optimus X IS11LG||o||Complete||o||o||Updated on 8/10
|Fujitsu Mobile Communications||REGZA Phone IS11T||-||Complete||-||-||Partially updated|
|ARROWS Z ISW11F||Complete||Complete||o||o||Updated on 11/13
|ARROWS ES IS12F||Complete||Complete||o||o||Updated on 1/22
|Sony Mobile Communications||Xperia™ acro IS11S||Complete||-||-||-||Partially updated|
|Xperia™ acro HD IS12S||o||o||o||o||Updated on 7/31
|SAMSUNG||GALAXY SII ISW11SC||-||Complete||-||-||Partially updated|
|MOTOROLA||PHOTON™ ISW11M||Complete||Complete||-||-||Partially updated|
|RAZR™ IS12M||Complete||Complete||o||o||Updated on 7/11
|HTC||EVO WiMAX ISW11HT||Complete||Complete||-||-||Partially update|
|EVO 3D ISW12HT||Complete||Complete||o||o||Updated on 9/25|
|HTC J ISW13HT||Complete||Complete||Complete||-||Updated|
* This software update is for the latest OS. Update to the latest OS in advance.