[Windows Phone 8 Development and Hacking] reksden:
Try this app. vcReg and custom PFD to modify the access rights:

1. unzip xap.

2. open WMAppManifest.xml.

3. add:

<Capabilities>
<Capability Name="ID_CAP_APPOINTMENTS" />
<Capability Name="ID_CAP_CALLMESSAGING_FILTER" />
<Capability Name="ID_CAP_CAMERA" />
<Capability Name="ID_CAP_CELL_API_COMMON" />
<Capability Name="ID_CAP_CELL_API_LOCATION" />
<Capability Name="ID_CAP_CELL_API_OEM_PASSTHROUGH" />
<Capability Name="ID_CAP_CELL_API_UICC" />
<Capability Name="ID_CAP_CELL_API_UICC_LOWLEVEL" />
<Capability Name="ID_CAP_CELL_WNF" />
<Capability Name="ID_CAP_CONTACTS" />
<Capability Name="ID_CAP_CSP_FOUNDATION" />
<Capability Name="ID_CAP_CSP_MAIL" />
<Capability Name="ID_CAP_CSP_OEM" />
<Capability Name="ID_CAP_CSP_W4_APPLICATION" />
<Capability Name="ID_CAP_CSP_WIFI_HOTSPOT" />
<Capability Name="ID_CAP_DEVICE_MANAGEMENT" />
<Capability Name="ID_CAP_DEVICE_MANAGEMENT_ADMIN" />
<Capability Name="ID_CAP_DEVICE_MANAGEMENT_BOOTSTRAP" />
<Capability Name="ID_CAP_DEVICE_MANAGEMENT_SECURITY_POLICIES" />
<Capability Name="ID_CAP_DU_MIGRATOR_STATUS_OEM" />
<Capability Name="ID_CAP_GAMERSERVICES" />
<Capability Name="ID_CAP_IDENTITY_DEVICE" />
<Capability Name="ID_CAP_IDENTITY_USER" />
<Capability Name="ID_CAP_INPUT_FEATURES" />
<Capability Name="ID_CAP_INTERNET_EXPLORER_FAVORITES" />
<Capability Name="ID_CAP_INTERNET_EXPLORER_SEARCH_PROVIDER_KEYS_HKCU" />
<Capability Name="ID_CAP_INTEROPSERVICES" />
<Capability Name="ID_CAP_ISV_CAMERA" />
<Capability Name="ID_CAP_KIDZONE_CUSTOMIZATION" />
<Capability Name="ID_CAP_LOCATION" />
<Capability Name="ID_CAP_MAP" />
<Capability Name="ID_CAP_MAP_WRITE" />
<Capability Name="ID_CAP_MEDIALIB_AUDIO" />
<Capability Name="ID_CAP_MEDIALIB_PHOTO" />
<Capability Name="ID_CAP_MEDIALIB_PHOTO_FULL" />
<Capability Name="ID_CAP_MEDIALIB_PLAYBACK" />
<Capability Name="ID_CAP_MICROPHONE" />
<Capability Name="ID_CAP_NETWORKING" />
<Capability Name="ID_CAP_NETWORKING_ADMIN" />
<Capability Name="ID_CAP_OEMPUBLICDIRECTORY" />
<Capability Name="ID_CAP_OEM_ADC" />
<Capability Name="ID_CAP_OEM_DEPLOYMENT" />
<Capability Name="ID_CAP_PEOPLE_EXTENSION" />
<Capability Name="ID_CAP_PEOPLE_EXTENSION_IM" />
<Capability Name="ID_CAP_PEOPLE_EXTENSION_MOBILE" />
<Capability Name="ID_CAP_PROXIMITY" />
<Capability Name="ID_CAP_PUSH_NOTIFICATION" />
<Capability Name="ID_CAP_REMOVABLE_STORAGE" />
<Capability Name="ID_CAP_RINGTONE_ADD" />
<Capability Name="ID_CAP_RUNTIME_CONFIG" />
<Capability Name="ID_CAP_SENSORS" />
<Capability Name="ID_CAP_SMS_INTERCEPT_AGENT" />
<Capability Name="ID_CAP_SMS_INTERCEPT_RECIPIENT" />
<Capability Name="ID_CAP_SPEECH_RECOGNITION" />
<Capability Name="ID_CAP_SYNC_EXTENSION" />
<Capability Name="ID_CAP_VOICEMAIL" />
<Capability Name="ID_CAP_VOIP" />
<Capability Name="ID_CAP_WALLET" />
<Capability Name="ID_CAP_WALLET_PAYMENTINSTRUMENTS" />
<Capability Name="ID_CAP_WALLET_SECUREELEMENT" />
<Capability Name="ID_CAP_WEBBROWSERCOMPONENT" />
<Capability Name="ID_CAP_WIFI_BASIC" />
<Capability Name="ID_CAP_APPPREINSTALL_DIRECTORY" />
<Capability Name="ID_CAP_CHAMBER_PROFILE_CODE_RW" />
<Capability Name="ID_CAP_SOUND_CONTROL" />
<Capability Name="ID_CAP_ENTERPRISE_SERVICE" />
<Capability Name="ID_CAP_PUBLIC_FOLDER_FULL" />
<Capability Name="ID_CAP_COMMANDCHANNEL" />
<Capability Name="ID_CAP_COMMS_SERVICES" />
<Capability Name="ID_CAP_COMMS_APPLICATIONS" />
<Capability Name="ID_CAP_COMMS_COMMON" />
<Capability Name="ID_CAP_DU_SHARED_DATA" />
<Capability Name="ID_CAP_DUASVC" />
<Capability Name="ID_CAP_ENDPOINTDISCOVERY" />
<Capability Name="ID_CAP_INPUT_SERVICE" />
<Capability Name="ID_CAP_INPUT_CORE" />
<Capability Name="ID_CAP_LEXICONUPDATE" />
<Capability Name="ID_CAP_MEDIALIB_INT" />
<Capability Name="ID_CAP_EDM_CACHE_WRITE" />
<Capability Name="ID_CAP_SEND_TO_ONENOTE" />
<Capability Name="ID_CAP_OFFICE_LAUNCH_URL" />
<Capability Name="ID_CAP_ACCESS_FAMILY_NOTES_API" />
<Capability Name="ID_CAP_WPTOOLS_INSTALL_FOLDER" />
<Capability Name="ID_CAP_MAP_ADMIN" />
<Capability Name="ID_CAP_BINGCLIENT_OSS" />
<Capability Name="ID_CAP_RETAILDEMO_CLIENT" />
<Capability Name="ID_CAP_SPEECH_RECOGNITION_SYSTEM" />
<Capability Name="ID_CAP_SPEECH_GRAMMARS" />
<Capability Name="ID_CAP_TELEMETRY_ADMIN" />
<Capability Name="ID_CAP_WALLPAPER_ADMIN" />
<!--<Capability Name="ID_CAP_PRIV_ACCOUNTPROVSVC" />-->
<Capability Name="ID_CAP_PLAYREADY_ADMIN" />
<Capability Name="ID_CAP_EVERYONE" />
<Capability Name="ID_CAP_BUILTIN_DEFAULT" />
</Capabilities>

4. save WMAppManifest.xml.

5. creat archive ***.zip, and remove name on ***.xap

6. install on your phone.