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ClockworkMod (CWM) Recovery easy install for RK3066 and RK3188 -- TWRP/CWM Flash-Tool and root for RK3288

 Please donate to support OMA and CrewRKTablets firmware work, thank you !

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PiPO M9 PRO GPS performance ?
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cracktech
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2013/12/29 - 15:57
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NO OFFENCE taken, just perplexed that you said your device (any RK3188) has got no improvement in GPS fix.

Have you tried using my installation through ADB yet there are many files that need to be added and I am worried if newbies who have no knowledge of Android system installs the files manually they will screw the thing up.

Just for your sake I attached the files that I am talking about not just gps.conf file and afterwards dont use FasterFix (GPS) or any other GPS faster fix app from Playstore.

I dont think you have downloaded this particular files :

 

The ADB installation scripts and Country reference.

Go to this linkfor downloads : http://www.arctablet.com/blog/forum/pipo-tablets/improving-the-gps-fix-on-rk3xxx-devices/#p35207

The following users say thank you to cracktech for this useful post:

nik2670, Mr.BlueSky

About Me    LENOVO S939 MTK6592 Vibe 2.0 - 1507,LENOVO A8-A5500 KitKat MTK8382 S029,Lenovo Tab2 A7-30HC MT8382 Lollipop,LENOVO A880  S027 MTK6582 (JB),ONDA V975m V3 AMLOGIC M802 (KitKat)PiPo M9Pro RK3188 KASTY ROM (KitKat # 407 Mod), ZENITHINK ZTPAD:C93 Duo Core AMX CM10.2_rc-3, Z102 And. 4.0.4, C91 And. 4.0.4,AIGO M60 Android 4.04 6" A13 (rooted).Lenovo A369i 4.2.2 S011 ROW

 

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nik2670
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2013/12/30 - 10:53
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gpsconfig.xmlScreenshot_2013-12-30-13-08-48.pngImage EnlargerScreenshot_2013-12-30-13-09-38.pngImage EnlargerScreenshot_2013-12-30-13-12-11.pngImage Enlarger

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nik2670
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2013/12/30 - 11:08
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gps.confScreenshot_2013-12-30-13-40-00-1.pngImage EnlargerScreenshot_2013-12-30-13-38-50-1.pngImage EnlargerScreenshot_2013-12-30-13-39-15-1.pngImage Enlarger

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cracktech
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2013/12/30 - 23:08
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nik2670,

Wow! Is that what you have got after the installlation? Accuracy shoud be less than 35 under a clear blue sky.

I am interested in the signal test app(the one in Russian)  can you zipped me a copy?

About Me    LENOVO S939 MTK6592 Vibe 2.0 - 1507,LENOVO A8-A5500 KitKat MTK8382 S029,Lenovo Tab2 A7-30HC MT8382 Lollipop,LENOVO A880  S027 MTK6582 (JB),ONDA V975m V3 AMLOGIC M802 (KitKat)PiPo M9Pro RK3188 KASTY ROM (KitKat # 407 Mod), ZENITHINK ZTPAD:C93 Duo Core AMX CM10.2_rc-3, Z102 And. 4.0.4, C91 And. 4.0.4,AIGO M60 Android 4.04 6" A13 (rooted).Lenovo A369i 4.2.2 S011 ROW

 


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nik2670
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2013/12/31 - 04:44
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1 message-only gpsconfig.xml (spb. at the window)..2 message-gpsconfig.xml+gps.conf(spb.к.у window)Navigator-navitel 8.05.35

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nik2670
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prp
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2014/01/01 - 06:14
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Please

GPS-HELP for Thailand

thks

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cracktech
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2014/01/01 - 07:58
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for Thailand please read the instructions in both zip file carefully.

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prp

About Me    LENOVO S939 MTK6592 Vibe 2.0 - 1507,LENOVO A8-A5500 KitKat MTK8382 S029,Lenovo Tab2 A7-30HC MT8382 Lollipop,LENOVO A880  S027 MTK6582 (JB),ONDA V975m V3 AMLOGIC M802 (KitKat)PiPo M9Pro RK3188 KASTY ROM (KitKat # 407 Mod), ZENITHINK ZTPAD:C93 Duo Core AMX CM10.2_rc-3, Z102 And. 4.0.4, C91 And. 4.0.4,AIGO M60 Android 4.04 6" A13 (rooted).Lenovo A369i 4.2.2 S011 ROW

 

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Beto82
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2014/01/04 - 13:41
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Hi, first of all cracktech thx for all your effort to help us.

I have the same problem, have the last Kasty ROM and i use your script to Install GPS fix, but GPS dont work.

 

I only can see between 1 or 4 sats but anyone on use :(

 

Any Idea??

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cracktech
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2014/01/04 - 14:55
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Okay lets do a trouble shooting quick check on what is installed.

First go into the ROOT directory, search for system and then go into etc folder.

 1. view/read the gps.conf file , it should read as follows (xx= your country ID)

the permission of the file should be (rw-r-r) and ownership (root:root) check for typo errors.

ENABLE_WIPER=1
DEFAULT_AGPS_ENABLE=TRUE
DEFAULT_SSL_ENABLE=FALSE
INTERMEDIATE_POS=1
ACCURACY_THRES=5000
REPORT_POSITION_USE_SUPL_REFLOC=1
NTP_SERVER=xx.pool.ntp.org
NTP_SERVER_1=0.xx.pool.ntp.org
NTP_SERVER_2=1.xx.pool.ntp.org
NTP_SERVER_3=2.xx.pool.ntp.org
NTP_SERVER_4=asia.pool.ntp.org
NTP_SERVER_5=1.europe.pool.ntp.org
NTP_SERVER_6=2..pool.ntp.org
NTP_SERVER_7=3..pool.ntp.org
XTRA_SERVER=http://xtra1.gpsonextra.net/xtra.bin
XTRA_SERVER_1=http://xtra2.gpsonextra.net/xtra.bin
XTRA_SERVER_2=http://xtra3.gpsonextra.net/xtra.bin
SUPL_HOST=sls1.sirf.com
SUPL_HOST=sls2.sirf.com
SUPL_HOST=supl.google.com
SUPL_HOST=supl.nokia.com
SUPL_PORT=7276
SUPL_TLS_HOST=supl.google.com:7276
SUPL_SECURE_PORT=7275
SUPL_NO_SECURE_PORT=3425
SUPL_TLS_CERT=/etc/security/SuplRootCert
SUPL_TLS_CERT_1=/etc/security/gps.cer
CURRENT_CARRIER=common

2. go into system folder look for int.d folder

there should be "gps-daemon" file permission should be set to (rw-r-r) ownership (root:root) maybe this file permission is not set correctly by my script.

3. go to system folder search for bin folder system/bin

search for  a file  "gpsd" permission should be (rwxr-xr-x) and ownership (root:root)

4. go to system folder search for "lib" folder system/lib folder

search for 2 files "libwiperjni" and libwiperjni_v02" permission should be (rw-r-r) and ownership (root:root)

5. go into system folder search for etc folder then "security" folder

there should be "gps.cer" and "SuplRootCert" permission should be reset to (rw-r-r) and ownership (root:root)

these are the errors I found inside my scripts and dont forget to install NTPSync (go to NTPSync "settings" --->NTP server "choose NTP server" it must be set to the same country code like "xx.pool.ntp.org" inside your gps.conf file.

 

Apart from that which I did not install through the script are these files that "should" be install inside system/etc/permissions folder (this is optional) the files is attached "add_xml_files" nzipped them and copy the file into the permission folder ALL the files should be set to permission (rw-r-r) and ownership to (root:root)

If you are in the US please tell me and I will provide you with additional files and another version of gps.conf file that has references to T-Mobile certificate. The script shall be undergoing revision version3 as I experiment some more.

If any of the files are missing you can copy them manually into the systems folders from inside the GPS Install folder

 

 UPDATED Scripts as of Jan 2014 : http://www.arctablet.com/blog/forum/pipo-tablets/improving-the-gps-fix-on-rk3xxx-devices/#p35207

The following users say thank you to cracktech for this useful post:

pipotablet

About Me    LENOVO S939 MTK6592 Vibe 2.0 - 1507,LENOVO A8-A5500 KitKat MTK8382 S029,Lenovo Tab2 A7-30HC MT8382 Lollipop,LENOVO A880  S027 MTK6582 (JB),ONDA V975m V3 AMLOGIC M802 (KitKat)PiPo M9Pro RK3188 KASTY ROM (KitKat # 407 Mod), ZENITHINK ZTPAD:C93 Duo Core AMX CM10.2_rc-3, Z102 And. 4.0.4, C91 And. 4.0.4,AIGO M60 Android 4.04 6" A13 (rooted).Lenovo A369i 4.2.2 S011 ROW

 

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ludoke
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2014/01/04 - 18:41
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Hi, first of all cracktech thx for all your effort to help us. I have the same problem, have the last Kasty ROM and i use your script to Install GPS fix, but GPS dont work.   I only can see between 1 or 4 sats but anyone on use :(   Any Idea??

 

Try NTPsync from the Play store ,it will set the correct time four your region which is important.

I'm on Filess 1.5

GPS after 2 min =10 in view and 2 in use   accuracy 39 feet  INDOORS

Great battery life

 

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Beto82
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2014/01/04 - 22:20
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Thx for your fast response, but i Try all your steps with the same result... (all permissions were correct)

3 or 4 sats but anyone in use.

Tomorrow i try in a open field because today i try in a city. And i try to add a screenshot of Gpstest.

cracktech im from spain. I need a different config of gps.conf?? 

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ludoke
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2014/01/05 - 10:37
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Beto82 said
Thx for your fast response, but i Try all your steps with the same result... (all permissions were correct)

3 or 4 sats but anyone in use.

Tomorrow i try in a open field because today i try in a city. And i try to add a screenshot of Gpstest.

cracktech im from spain. I need a different config of gps.conf?? 

Try Finless 1.5 in combo with NTPsync + FasterGps

 

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cracktech
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2014/01/05 - 18:47
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DO NOT USE FASTERGPS with the gps.conf file I gave you. I am also having problems with locking ON to satellites right now, just happened about a day or 2 ago.. It is not the script messing up the gps lock . I suspect the SuplRootCert (for Google Cert) has expired the one that is prevalent (many,many) in the various forums are signed by Verisign Inc and was supposed to expire a long time ago. The current Google Cert (SuplRootCert) in now signed by Thawte Inc.

I am looking for the certificate that is signed by Thawte Inc.and will update accordingly.I am in the process of rerwiting the gps.conf and all the other installed drivers.

If you are not happy with the current performance , first you have to delete all the installed drivers except for the gps.conf file (never,ever use FasterGPS with the gps.conf file I gave you all) and then go into root directory search for data folder/ then find gps folder and delete ALL the files you find in the gps folder. leaving an empty gps folder. It will rewrite the files when you reboot and restart any apps that uses gps automatcally.

I am scratching my head bald becoz of the NO GPS fix issue. I will post a new install files when it is done.

About Me    LENOVO S939 MTK6592 Vibe 2.0 - 1507,LENOVO A8-A5500 KitKat MTK8382 S029,Lenovo Tab2 A7-30HC MT8382 Lollipop,LENOVO A880  S027 MTK6582 (JB),ONDA V975m V3 AMLOGIC M802 (KitKat)PiPo M9Pro RK3188 KASTY ROM (KitKat # 407 Mod), ZENITHINK ZTPAD:C93 Duo Core AMX CM10.2_rc-3, Z102 And. 4.0.4, C91 And. 4.0.4,AIGO M60 Android 4.04 6" A13 (rooted).Lenovo A369i 4.2.2 S011 ROW

 

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ludoke
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2014/01/05 - 19:00
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cracktech said
DO NOT USE FASTERGPS with the gps.conf file I gave you. I am also having problems with locking ON to satellites right now, just happened about a day or 2 ago.. It is not the script messing up the gps lock . I suspect the SuplRootCert (for Google Cert) has expired the one that is prevalent (many,many) in the various forums are signed by Verisign Inc and was supposed to expire a long time ago. The current Google Cert (SuplRootCert) in now signed by Thawte Inc.

I am looking for the certificate that is signed by Thawte Inc.and will update accordingly.I am in the process of rerwiting the gps.conf and all the other installed drivers.

If you are not happy with the current performance , first you have to delete all the installed drivers except for the gps.conf file (never,ever use FasterGPS with the gps.conf file I gave you all) and then go into root directory search for data folder/ then find gps folder and delete ALL the files you find in the gps folder. leaving an empty gps folder. It will rewrite the files when you reboot and restart any apps that uses gps automatcally.

I am scratching my head bald becoz of the NO GPS fix issue. I will post a new install files when it is done.

I get good GPS results as i stated above and this without the config files.

I'm using Faster GPS and NTPsync .I have Finless 1.5 JB

 

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