[ZTE Z7, Z7 Max, Z7 Mini] amchandr:
*****************************************Caution Note!!!!!!!!!!!!*****************************************

Before trying out these tweaks, Phone must be rooted and always nandroid backup your phone.

A FIle explorer like Root Browser is required to perform some of these these tweaks.

Please try it at your own risk. I am not responsible for any damage it may cause to your phone or you or your house or anything and everything.

Please Please nandroid backup your phone before trying these.. Take utmost care to understand what you are reading here and what you are going to perform...... A misread or a typo could cause a havoc...

*****************************************Caution Note!!!!!!!!!!!!*****************************************

Again I am not responsible for any damage it may cause to your phone or you or your house or anything or/and everything.

It is purely based on my usage and my experience as a vivid Android user for the past 3 years.

This might differ for you. Skip the irrelevant tweaks that does not suit your needs.

*****************************************Caution Note!!!!!!!!!!!!*****************************************

A) Battery Tweaks (Require File Explorer like "Root Browser"):

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1) To improve battery life, I have moved these app & priv-app files into a backup directory. You can skip the files which is linked to the features that you are using.

Instead of moving these files, you may try freezing them in Titatnium Backup app (which I have not tried yet)....

a) files available in /system/app directory to be backed up :

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360Security_1.8.0.1060_104758_kulian3_signed.apk

360Security_1.8.0.1060_104758_kulian3_signed.apk.md5

91MoboMarket.apk

AntHalService.apk

AntHalService.odex

BasicDreams.apk

BasicDreams.odex

Browser.apk

Browser.odex

CellBroadcastReceiver.apk

CellBroadcastReceiver.odex

CloudPrint2.apk

Drive.apk

Du_BaiduBrowser.apk

Email.apk

Email.odex

Exchange2.apk

Exchange2.odex

FaceLock.apk

FactoryTest.apk

FactoryTest.odex

GameCenter_2210731002_20110.apk

GenieWidget.apk

GoogleEars.apk

GoogleEarth.apk

GoogleTTS.apk

Keep.apk

LiveWallpapers.apk

LiveWallpapers.odex

LiveWallpapersPicker.apk

LiveWallpapersPicker.odex

MagicSmokeWallpapers.apk

MagicSmokeWallpapers.odex

NfcNci.apk

NfcNci.odex

NoiseField.apk

NoiseField.odex

NubiaPlatLogo_V1.0.0.apk

PhaseBeam.apk

PhaseBeam.odex

PhotoTable.apk

PhotoTable.odex

PicoTts.apk

PicoTts.odex

PrintSpooler.apk

PrintSpooler.odex

QuickSearchBox.apk

SVIService.apk

SmartBar.apk

SmartBar.odex

SystemUpdate_v1.1.apk

TimeService.apk

TimeService.odex

Twitter_3025.apk

UserDictionaryProvider.apk

UserDictionaryProvider.odex

Videos.apk

VisualizationWallpapers.apk

VisualizationWallpapers.odex

WAPPushManager.apk

WAPPushManager.odex

WfdService.apk

WfdService.odex

ZAppDataBackup.apk

ZAppDataBackup.odex

ZCrashLogUpload.apk

ZCrashLogUpload.odex

ZDataBackup.apk

ZDataBackup.odex

ZFreeSnapShot.apk

ZFreeSnapShot.odex

ZSetupWizard.apk

ZSetupWizard.odex

ZTEMTLog.apk

ZTEMTLog.odex

ZWfdSink.apk

ZWfdSink.odex

com.qualcomm.location.apk

com.qualcomm.location.odex

com.qualcomm.msapm.apk

com.qualcomm.qti.services.secureui.apk

com.qualcomm.qti.services.secureui.odex

com.qualcomm.services.location.apk

funweather_u008_k501_20140626_final.apk

mobogenie.apk

nubia_ClockWidget.apk

nubia_DLNA.apk

nubia_Music.apk

nubia_RecognitionQRService.apk

nubia_account.apk

nubia_account.odex

nubia_photoeditor.apk

nubia_photoeditor.odex

nubia_poster.apk

nubia_poster.odex

nubia_zbiglauncher_v2.0.apk

nubia_zjigsaw.apk

nubia_zjigsaw.odex

nubia_zmakegif.apk

nubia_zmakegif.odex

qcrilmsgtunnel.apk

qcrilmsgtunnel.odex

shutdownlistener.apk

shutdownlistener.odex

b) files available in /system/priv-app directory to be backed up :

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BackupRestoreConfirmation.apk

BackupRestoreConfirmation.odex

GoogleBackupTransport.apk

GoogleFeedback.apk

GooglePartnerSetup.apk

InputDevices.apk

InputDevices.odex

ProxyHandler.apk

ProxyHandler.odex

SharedStorageBackup.apk

SharedStorageBackup.odex

Shell.apk

Shell.odex

Tag.apk

Tag.odex

VpnDialogs.apk

VpnDialogs.odex

2) I use Greenify app to further improve battery performance. It is very well up to you to consider this.

3)

Read the caution note at the top of this post before proceeding. Always do nandroid backup.....

I have disabled following app services using "Disable Service" app:

a) Calendar (both Google Calendar and System app) > CalendarAppWidgetService

b) Camera > CaptureCameraService

c) Google Play Services > AutoBackupService, Wearable Service, WearableControlService, NlpLocationReceiverService,

LocationWearableListenerService, GoogleLocationManagerService, GoogleLocationService,

LocationReportingService

d) Google Services Framework > SystemUpdateService, CheckinService, EventLogService

4) Disabled Google Now Service

5) Opt out of Google ads

6) Switch to Auto Brightness

B) Decrease System Volume (Require File Explorer like "Root Browser"):

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Read the caution note at the top of this post before proceeding. Always do nandroid backup.....

To reduce earpiece/speaker volume, I have performed this tweak. It is purely based on my usage. This might differ for you.

Also for your kind information, I am using Samsung Galaxy S5 ringtones, so the below mentioned tweak is fitting my need. This might vary for you. Please try with various values.

Please take a backup of the below shown file before editing it.

Please take a backup of the below shown file before editing it.

Please take a backup of the below shown file before editing it.

Please take a backup of the below shown file before editing it.

1) navigation > /system/etc

2) copy and take a backup of this file mixer_paths.xml

3) then open the file mixer_paths.xml and edit the values as shown in red color below (line#29, 30, 31)

4) Restart the phone.

Line# | Command

----------------------------

29 | <ctl name="RX1 Digital Volume" value="74" />

30 | <ctl name="RX2 Digital Volume" value="74" />

31 | <ctl name="RX3 Digital Volume" value="74" />

32 | <ctl name="RX4 Digital Volume" value="84" />

33 | <ctl name="RX5 Digital Volume" value="84" />

34 | <ctl name="RX6 Digital Volume" value="84" />

35 | <ctl name="RX7 Digital Volume" value="84" />