A Rom For Tethering. - HTC EVO 3D

I have the HTC EVO V 3D 4G. I ONLY use the phone for tethering purposes, reason is the wifi in my barracks is garbage, and using the 4G from the phone is much better. This is my old phone, i recently have purchased the Desire 601 for my daily use phone. So what i want to know is, is there a rom, or mods i can do to improve signal and speed? Somehow getting lower ping times would be helpful also for gaming. The phone wont be using for calling, or anything like that. Only for data through USB tethering. -Thank you.

As much as I know, no, it isn't.
There are applications on google play that "improve data connection, speed, etc" but I'm sure you won't get anything from them, they're partially fake.

Related

[Q] USA based carriers

I have a Photon 4G on Sprint right now, and I refuse to go onto tiered Data. I've just about had it with Sprint's dynamically changing terms of service, so I'm looking for other US based unlimited data carriers compatible with the Photon 4G. I am rooted, if that means anything toward this.
Just isn't possible, but idk what your complaining about exactly, what change in terms, the data is still unlimited for your phone unless your not giving a full story as most people do...
Sent from my MB855 using XDA App
I'm giving the full story here. Yes, data is unlimited still, yes my phone works. I use very low amounts of data, so Im not in any way angering them. I'm just bothered at them filtering my market now, and most recently, my phone is shut down whenever I tether (via Android) using Bluetooth.
taylorgrandorf said:
I'm giving the full story here. Yes, data is unlimited still, yes my phone works. I use very low amounts of data, so Im not in any way angering them. I'm just bothered at them filtering my market now, and most recently, my phone is shut down whenever I tether (via Android) using Bluetooth.
Click to expand...
Click to collapse
if you not paying for tethering (even though i think it should be free to begin with) i wouldn't be surprised if they did something like that, and there's an app you really want, just google the apk through your phone
taylorgrandorf said:
I'm giving the full story here. Yes, data is unlimited still, yes my phone works. I use very low amounts of data, so Im not in any way angering them. I'm just bothered at them filtering my market now, and most recently, my phone is shut down whenever I tether (via Android) using Bluetooth.
Click to expand...
Click to collapse
Sprint isn't filtering your market, it's google... They did it to me as well... Upon calling them, I was informed that rooted devices are not allowed and if google finds out you have a rooted device they lock you out of your paid apps. The only way I fixed this was by running the ruu back to stock. I re-rooted a few days later and haven't had any issues since than... I agree it sucks. As for the tethering, I 4G tether using the wifi tether app that is in dsixda kitchen, made by mueller, buxton, and somone else. I regularly top 5GB of data use every month and have never had any issues, other than Sprint's weak ass 3G signal. You could check into boost, cricket, or one of you local "small time" cell dealers, some of the local shops will even flash the phone over to their service for free. Good luck in your adventure!
Sent from my PG06100 using Tapatalk
Thanks, I think I'll just stay with Sprint for now. I really appreciate the responses, though. As far as Market Filtering, my issue is not full block out, but just Wireless Tether apps missing. As far as .apk installs, I'm fully familiar with those too. Sprint is otherwise a great carrier. I'm very near to Houston, and being the 4th largest City in the USA means that I get 6/6 Bars of 4G everywhere I go. Besides this, I have nothing against them. Unlimited Data is a neccesary thing on a Smartphone, in my opinion. Also, with my Bluetooth tethering (Can be done unrooted to an Asus Transformer Prime, also unrooted) I've found that as long as I put the phone into standby, it wont reboot. It only reboots if the display times-out.
Bluetooth tethering is fully within Sprint's ToS, too. (Free)
http://db.tt/BkvrkT78 ... Here you go... Here is the old school tether app if you don't have it... I too will be sticking with sprint, can't beat unlimited data with a stick. Have fun with that photon too, very nice device, I almost ditched my shift for the photon.
Sent from my PG06100 using Tapatalk
sprint did break down and filter out tethering apps from their market, but honetsly can you blame them? verizon and att were teh first ones to have limited data, the first ones to tell you what you could use your 2gb's of data on.
sprint filtered out the market.. after how long of us getting a free ride? chances are if your rooting you know how to google for android tether. not saying its ideal, but id much rather have them filter the apps, then drop unl data... or send text's out to users using free tether saying they will be switched to the paid tether automatically at the end of teh to month...
Fair enough.

[Q] No 1x when 3G not available

Sorry if this has been asked before, I could not find it anywhere...
With my Evo LTE, if I have no 3G signal, I get no data at all (not using wifi). Is there supposed to be 1x data? With my Epic, I would bounce between 3G and 1x while at work, getting about 60 Kbps (horrible I know, but at least it worked). Now with my Evo, I either get 3G or nothing. Most of the time I get an error that there is no network connectivity, where with my Epic I never got that, it just worked slower at times.
So, is it a configuration issue, does the Evo not support 1x, or could I possibly have a hardware issue? I have domestic data and voice checked.
Well, this EVO does not want you to know whether you are connected with 1x vs 3g. So, on stock it will ALWAYS show as 3g. This is why you are going from 3g to no connection whatsoever.
If you are rooted, install a custom ROM as they all have the option of including this modification. If you would like to keep your current set-up, there is a thread to walk you through the necessary changes.
http://forum.xda-developers.com/showthread.php?t=1688413
On a side note, the EVO also gets horrible reception in general. So although you will have a better idea of what your connection is, the fact of the matter is that your reception is probably not as good as it was with a previous phone.
gdrocks said:
Well, this EVO does not want you to know whether you are connected with 1x vs 3g. So, on stock it will ALWAYS show as 3g. This is why you are going from 3g to no connection whatsoever.
If you are rooted, install a custom ROM as they all have the option of including this modification. If you would like to keep your current set-up, there is a thread to walk you through the necessary changes.
http://forum.xda-developers.com/showthread.php?t=1688413
On a side note, the EVO also gets horrible reception in general. So although you will have a better idea of what your connection is, the fact of the matter is that your reception is probably not as good as it was with a previous phone.
Click to expand...
Click to collapse
Well, at least it makes me feel better knowing that it isn't a hardware issue. My voice reception seems better with this phone than my Epic, but data, not so much. Maybe LTE will magically fix all my issues? Other than a dead pixel, screen being a little washed out compared to SAMOLED, and reception issues, I still like my phone. Not sure if the SGIII would have better data reception where I'm at. Sucks that I have unlimited data, but just can't get at it.
I'm not convinced.
the first day our two after I got my phone, I had the same problem.
I tried changing from CDMA & LTE to CDMA only. That didn't help.
I then rebooted my phone. After that, data seems to work fine. My display sometimes shows bars with 3G, and sometimes simply bars only.
Before I rebooted, it never showed 3G.
I had even started a thread about it. But it seems to work fine now.
Sent from my EVO using XDA

Does any of the custom ROMs solve Network/WIFI issues

I know the custom ROMs have a few nice features and clean up some dead wood.
But do any absolutely Fix any of the network issues?
For the record I'm considering OMJ's or Flipz's.
Some background for my question if you interested.
This phone is really starting to suck (Stock Rooted only, no mods).
I really wanted to hold out for possible S-OFF to try any custom ROMs but the phone is becoming useless without doing something.
Last weekend I used my Wifes EVO 3D (my old phone with MeanROM ICS 2.2 on it).
I Tethered from West of Boston to Central NH (2 hr 20 min drive) with out a glitch.
Phone was running Navigation and WIFI Tethered the whole way.
Not one glitch. I've done it many times. My wifes former Touch Pro 2 and EVO 4G was also just as reliable.
Same trip this weekend with the EVO 4G LTE.
Laptop lost WIFI connection to EVO 4G LTE like 5 times.
Sometimes I could get it back by reconnecting or restarting WIFI Tether.
Other times I had to reboot phone, and other times I had to reboot the Laptop to get it back. It just flat out refused to see the phone any more. Even tried shutting WIFI off on laptop and phone, but no, PC or Phone required a reboot not always the same either.
It was also fairly slow and laggy. Just aweful.
When I leave my house with WIFI on, the EVO LTE phone stays connected to WIFI and gets no data until I shut WIFI off. It works fine if I leave work with WIFI on though.
I know there are patches to remove smartsync in several ROMs but the phone was not going to sleep during most of these issues (Had Nav running).
You would need a ROM where someone actually rewrote some code . That's probably not going to happen till source comes out
Saneless One said:
You would need a ROM where someone actually rewrote some code . That's probably not going to happen till source comes out
Click to expand...
Click to collapse
That might be true but certainly not always true.
And if it is "code" I must depend on that get fixed it's likely a driver and most developers on XDA don't do drivers.
And that "code" could also be on the Radio Side (where I suspect the real issues are) and that code is never released.
Doing things like enabling the 2nd Core full time (which is enabled on my EVEO 3D) might make things run more stable. I don't know.
Most "code" on my EVO 3D is "stock" it's just borrowed from different phones and some build.prop tweaks.
mswlogo said:
I know the custom ROMs have a few nice features and clean up some dead wood.
But do any absolutely Fix any of the network issues?
For the record I'm considering OMJ's or Flipz's.
Some background for my question if you interested.
This phone is really starting to suck (Stock Rooted only, no mods).
I really wanted to hold out for possible S-OFF to try any custom ROMs but the phone is becoming useless without doing something.
Last weekend I used my Wifes EVO 3D (my old phone with MeanROM ICS 2.2 on it).
I Tethered from West of Boston to Central NH (2 hr 20 min drive) with out a glitch.
Phone was running Navigation and WIFI Tethered the whole way.
Not one glitch. I've done it many times. My wifes former Touch Pro 2 and EVO 4G was also just as reliable.
Same trip this weekend with the EVO 4G LTE.
Laptop lost WIFI connection to EVO 4G LTE like 5 times.
Sometimes I could get it back by reconnecting or restarting WIFI Tether.
Other times I had to reboot phone, and other times I had to reboot the Laptop to get it back. It just flat out refused to see the phone any more. Even tried shutting WIFI off on laptop and phone, but no, PC or Phone required a reboot not always the same either.
It was also fairly slow and laggy. Just aweful.
When I leave my house with WIFI on, the EVO LTE phone stays connected to WIFI and gets no data until I shut WIFI off. It works fine if I leave work with WIFI on though.
I know there are patches to remove smartsync in several ROMs but the phone was not going to sleep during most of these issues (Had Nav running).
Click to expand...
Click to collapse
Just my experience : zero difference in connectivity issues (cellular or WiFi) . Previous 3d and OGEVO both had their issues but in the exact same locations I used them ( work WiFi home WiFi commute cellular) -this thing is just bad comparitively. Wireless N (100Mgps down from Cisco rtr) at office drops CONSTANTLY and even just running l navigation will drop out from suburbs to city ( Chicago ) . Go to Mexico this week and I was there in December and was stunned how well Telcel''s network operated ( very fast 3g no dropped calls - thank god work picks up the tab). New York and San Francisco the week after in which I am very familiar with how my service usually acts so ill have some controls to measure against. Very dissapointing so far LTE can't get here glfast enough- realize I veered slightly off topic but , no, I haven't seen any major difference other than great battery life on Vipers
Sent from my EVO using xda premium
For the record I am currently using Viper ROM and I currently have absolutely no issues paring the phone to my car via Bluetooth in comparison to the stock ROM where my phone will not hold a bluetooth connection.
Dude, honestly, u need to take your phone back and exchange it. Had the same problem with WiFi dropping constantly, about every 5 seconds. Would go to 3g then WiFi. Sometimes switching settings would help, tried rooting and did numerous roms, fixes, mods, but the problem was still there.
Well, I took my phone back bc I bricked the secure element somehow and my new phone has none of those issues. I believe it is a faulty receiver/radio. Trust me and take it back for a new one before your 30 days is up. U will thank me.
Sent from my EVO using XDA
I got my evo this past friday and I've been using my wifi more than my 3G and i haven't had problems. May wanna take it back and have them check it out.
mswlogo said:
I know the custom ROMs have a few nice features and clean up some dead wood.
But do any absolutely Fix any of the network issues?
For the record I'm considering OMJ's or Flipz's.
Some background for my question if you interested.
This phone is really starting to suck (Stock Rooted only, no mods).
I really wanted to hold out for possible S-OFF to try any custom ROMs but the phone is becoming useless without doing something.
Last weekend I used my Wifes EVO 3D (my old phone with MeanROM ICS 2.2 on it).
I Tethered from West of Boston to Central NH (2 hr 20 min drive) with out a glitch.
Phone was running Navigation and WIFI Tethered the whole way.
Not one glitch. I've done it many times. My wifes former Touch Pro 2 and EVO 4G was also just as reliable.
Same trip this weekend with the EVO 4G LTE.
Laptop lost WIFI connection to EVO 4G LTE like 5 times.
Sometimes I could get it back by reconnecting or restarting WIFI Tether.
Other times I had to reboot phone, and other times I had to reboot the Laptop to get it back. It just flat out refused to see the phone any more. Even tried shutting WIFI off on laptop and phone, but no, PC or Phone required a reboot not always the same either.
It was also fairly slow and laggy. Just aweful.
When I leave my house with WIFI on, the EVO LTE phone stays connected to WIFI and gets no data until I shut WIFI off. It works fine if I leave work with WIFI on though.
I know there are patches to remove smartsync in several ROMs but the phone was not going to sleep during most of these issues (Had Nav running).
Click to expand...
Click to collapse
I'm in RI and kept my Evo og just for tethering. If you were satisfied with the 3d, then the lte will seem more effectual in fringe area reception. Though not as good as the OG in my particular area. The og bounces across a bay without issues. Did I just say sprint has shoddy coverage? Whoops. Didn't mean to.
What I'm getting to is that the risk of depending on htc unlock, vs new radios might be worth evaluating.
Anthonicia said:
Dude, honestly, u need to take your phone back and exchange it. Had the same problem with WiFi dropping constantly, about every 5 seconds. Would go to 3g then WiFi. Sometimes switching settings would help, tried rooting and did numerous roms, fixes, mods, but the problem was still there.
Well, I took my phone back bc I bricked the secure element somehow and my new phone has none of those issues. I believe it is a faulty receiver/radio. Trust me and take it back for a new one before your 30 days is up. U will thank me.
Sent from my EVO using XDA
Click to expand...
Click to collapse
Thanks for the data point.
I did try calling Sprint and the tech said I need to shut WIFI off when I leave home and work. They were clueless. After I explained to them how it's supposed to work they said I need to have tech look at it.
Yeah I'm sure they can repeat the problems at will. Some days it's fine.
I don't get WIFI drop outs. Biggest problem is it won't let go of the WIFI when I leave home and that locks data up until I toggle the WIFI enable. Leaving work it's fine.
I have put a custom ROM on it now (flipz). And it's running better. But did have to switch it to 2.4Ghz only again. I do like some the custom ROM features and it allows be to better monitor Data (since it show 1x or 3x) and I can do full nandroid backup to compare changes.
However I did see the bouncey thing when you wake it goes to WIFI to 3G to WIFI again and that I believe is a sign of it struggling.
Then I looked into my Router for more settings to play with and learned Bluetooth can interfere with WIFI (i.e. there are settings for it in my router).
I'm 99% sure this is the problem (and may or may not be the phones fault).
This would explain why a "new" phone could fix an issue because each time you pair a bluetooth device it may choose a different channel. Some channels will conflict with WIFI more than others.
It may explain why some people have no issues too. Can depend on your bluetooth devices as well.
I started a seperate thread on this
http://forum.xda-developers.com/showthread.php?t=1721196
I'm amazed nobody has responded.
For grins I left Bluetooth off today and it has run flawless. It didn't get stuck on WIFI when I leave home and it always did.
I need to dig into how to check what channel bluetooth is paired on and how I can control what channel is uses.
mswlogo said:
Thanks for the data point.
I did try calling Sprint and the tech said I need to shut WIFI off when I leave home and work. They were clueless. After I explained to them how it's supposed to work they said I need to have tech look at it.
Yeah I'm sure they can repeat the problems at will. Some days it's fine.
I don't get WIFI drop outs. Biggest problem is it won't let go of the WIFI when I leave home and that locks data up until I toggle the WIFI enable. Leaving work it's fine.
I have put a custom ROM on it now (flipz). And it's running better. But did have to switch it to 2.4Ghz only again. I do like some the custom ROM features and it allows be to better monitor Data (since it show 1x or 3x) and I can do full nandroid backup to compare changes.
However I did see the bouncey thing when you wake it goes to WIFI to 3G to WIFI again and that I believe is a sign of it struggling.
Then I looked into my Router for more settings to play with and learned Bluetooth can interfere with WIFI (i.e. there are settings for it in my router).
I'm 99% sure this is the problem (and may or may not be the phones fault).
This would explain why a "new" phone could fix an issue because each time you pair a bluetooth device it may choose a different channel. Some channels will conflict with WIFI more than others.
It may explain why some people have no issues too. Can depend on your bluetooth devices as well.
I started a seperate thread on this
http://forum.xda-developers.com/showthread.php?t=1721196
I'm amazed nobody has responded.
For grins I left Bluetooth off today and it has run flawless. It didn't get stuck on WIFI when I leave home and it always did.
I need to dig into how to check what channel bluetooth is paired on and how I can control what channel is uses.
Click to expand...
Click to collapse
I think you're onto something... If I leave the house and wifi sticks on, then I normally have to reboot phone before I can connect to wifi again. Simply toggling wifi off and on doesn't work.
So on a whim, I turned off bluetooth. Then turned wifi off and back on, and bam! Connected! Hmmmm....
dre22era said:
For the record I am currently using Viper ROM and I currently have absolutely no issues paring the phone to my car via Bluetooth in comparison to the stock ROM where my phone will not hold a bluetooth connection.
Click to expand...
Click to collapse
Weird. I had opposite. Rooted, S-off and flashed MeanROM which really liked but bluetooth on one of my cars that was foolproof on stock became very hard to connect. Went back to stock and connects fine again. Miss the customization and may try again. Was a good exercise putting back to stock if ever need to return phone to Sprint.

[Q] Mobile Hotspot only 3G

Has anyone tried to use verizons' mobile hotspot with this yet? Every time I have tested it out it reduces the signal from 4G to 3G and never returns to 4G until I deactivate the hotspot. Anyone know if this is a design in the phone or maybe something I am doing wrong?
I'm new to verizon like as of two days ago and Ive been with sprint. Does verizon make you pay an extra fee to use the tethering service like sprint because i can turn on the hotspot and connect to it and its says its using 3G but i dont get any internet service to my tablet.
To keep things relevent:
SkitzoPhr3nia said:
Has anyone tried to use verizons' mobile hotspot with this yet? Every time I have tested it out it reduces the signal from 4G to 3G and never returns to 4G until I deactivate the hotspot. Anyone know if this is a design in the phone or maybe something I am doing wrong?
Click to expand...
Click to collapse
I couldnt tell you as i do not have 4G where i live, wish i did.
.torrented said:
I'm new to verizon like as of two days ago and Ive been with sprint. Does verizon make you pay an extra fee to use the tethering service like sprint because i can turn on the hotspot and connect to it and its says its using 3G but i dont get any internet service to my tablet.
Click to expand...
Click to collapse
The way I understand it is if you can access the service then it is part of your plan. Which is nice so you dont accidentally use it and get charged a boat load. I just moved to a share everything plan and was told by a rep that mobile hotspot comes included, which seems to be true since I am able to use is, even if only on 3G.
At the same time, I am able to use the mobile hotspot through a Rezound on the same plan with 4G all day long. That is why I am curious if it is the phone limiting my connectivity while using hotspot.
I am currently testing the mobile hotspot as I am writing you. I figured I would try it out since I've not used it as of yet on my new DNA. 4G is working and intact. No downgrade to 3G, and everything is speedy as expected. I would check your signal strength or other possible issues you may have with reception, as if I understand things correctly, a 4G connection will degrade to 3G in bad connection areas. Maybe your signal strength isn't acceptable? Just a thought. Maybe someone here has a better understanding of the underlying operations of what your particular issue could be. Good luck...
chadster1976 said:
I am currently testing the mobile hotspot as I am writing you. I figured I would try it out since I've not used it as of yet on my new DNA. 4G is working and intact. No downgrade to 3G, and everything is speedy as expected. I would check your signal strength or other possible issues you may have with reception, as if I understand things correctly, a 4G connection will degrade to 3G in bad connection areas. Maybe your signal strength isn't acceptable? Just a thought. Maybe someone here has a better understanding of the underlying operations of what your particular issue could be. Good luck...
Click to expand...
Click to collapse
I guess I figured out what my problem was. I just restarted my phone and tested again and it works perfectly. I dont know what its malfunction was but its all good now.

[Q] Sprint Connection Optimizer Disables 4G?

So after the 3.16 update, I noticed my phone was not picking up 4G. After pulling my hair out to figure out why, I traced the problem to the Sprint Connection Optimizer being disabled. Turn it on, 4G toggles on with it, turn it off, 4G toggles off with it. The previous version of the Sprint Connection Optimizer did not do this. To confirm my suspicions I reset the phone to stock and observed the same behavior.
This is quite the pain in the ass as I don't want my phone connecting to WiFi networks that I marked "remember". In addition, I don't need my phone connecting to WiFi at work (which I use for work purposes under special circumstance).
My short term solution is to forget WiFi networks but this is rather tedious. With the Sprint Connection Optimizer toggled off, I am essentially locked out of 4G. I pay for Sprint's service and I insistent on using as much of their/my bandwidth as I chose.
Can anybody else confirm what is happening. My area has relatively strong 4G coverage, to the point where seeing 3G would be a rare occurrence. I need to make sure this isn't a problem on just my device before I roam my way out of my contract.
Super Tommy said:
So after the 3.16 update, I noticed my phone was not picking up 4G. After pulling my hair out to figure out why, I traced the problem to the Sprint Connection Optimizer being disabled. Turn it on, 4G toggles on with it, turn it off, 4G toggles off with it. The previous version of the Sprint Connection Optimizer did not do this. To confirm my suspicions I reset the phone to stock and observed the same behavior.
This is quite the pain in the ass as I don't want my phone connecting to WiFi networks that I marked "remember". In addition, I don't need my phone connecting to WiFi at work (which I use for work purposes under special circumstance).
My short term solution is to forget WiFi networks but this is rather tedious. With the Sprint Connection Optimizer toggled off, I am essentially locked out of 4G. I pay for Sprint's service and I insistent on using as much of their/my bandwidth as I chose.
Can anybody else confirm what is happening. My area has relatively strong 4G coverage, to the point where seeing 3G would be a rare occurrence. I need to make sure this isn't a problem on just my device before I roam my way out of my contract.
Click to expand...
Click to collapse
Why would you not want to connect to WiFi networks that you mark remember?....jw
If you have the option of your local WiFi versus 4G most times I'd expect someone to want to go with the WiFi... Only time you'd want to not is in places where 4G was better connection, which in those cases I wouldn't want to mark said WiFi networks as remember...
Ill try to mess with it here see how it effects my stuff as were rolling 4G a lot now...
Sent from my EVO using Tapatalk 2
In most cases work wifi won't let you watch porn at work man. Total pain in the a$$. We should be able to toggle our own connections. I will say wifi is better on battery and generally faster. However there's potential risk on wifi that someone could access your device. Extremely unlikely but a possibility none the less.
In my area we don't have lte yet and the other day after installing MeanBean I saw 4G pop up in signal bar then went away then came back. Haven't seen it since. I was so excited but I shouldn't get my hopes up. Sprints been saying 4G for a long time and still nothing. Only reason I stay is unlimited data and I live the HTC evo line.
You have a better chance of winning the lottery 5 times than someone accessing/ hacking your phone over wifi without you knowing about it.
Also there are great wifi apps that tells you who is on the network your on at all times.
#Root-Hack_Mod*Always=LTE
I have found that Comcast seems to throttle youtube traffic at certain times of the day, and I have a specific spot in my house where my wifi signal just completely drops (but still claims to be "connected.") I'm obviously going to want my phone to remember my home wifi connection, but I don't necessarily want to always be using it at home.
My situation may not be incredibly common, but it's a valid scenario where you may not necessarily want connection optimizer to run the show.
jesuspgt said:
I have found that Comcast seems to throttle youtube traffic at certain times of the day, and I have a specific spot in my house where my wifi signal just completely drops (but still claims to be "connected.") I'm obviously going to want my phone to remember my home wifi connection, but I don't necessarily want to always be using it at home.
My situation may not be incredibly common, but it's a valid scenario where you may not necessarily want connection optimizer to run the show.
Click to expand...
Click to collapse
The optimizer isn't your issue there though, as the mere fact of having the network remembered in the phone will cause it to connect to it whenever within range.... Its the fact you have a remembered WiFi network saved and you want to override that in a specific location when still in range of the WiFi... In that case the only solution is to toggle it off when you don't want to use it at that specific location in your house...
Optimizers doesn't just force you to connect to your local network that's remembered as the WiFi being on will do that itself already...
Sent from my EVO using Tapatalk 2
You can try disabling Sprint Connection Optimizer and try purchasing Juice Defender Ultimate. If you use its location service, it will only turn on wifi in places that you turn on the wifi antenna and remember them. And if it turns it on, you just manually turn it off until its trained.

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