Samsung Captivate :: Can't Obtain Wifi Address In Home / What To Fix?
Jul 18, 2010
I've had wifi in my house for years. As I type these devices are connected: ps3, desktop, laptop, wife's iphone. Everything works fine. I walked in the house with my Captivate and it can't obtain an IP address. The password is right. It gets to "Obtaining IP address" but then it says "Unsuccessful." I have never ever had a device issue connecting to my wifi. Numerous family/friend phones have connected without a glitch. Any ideas?
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Apr 8, 2010
It seems the java.net.NetworkInterface implementation of android does not have a byte[] getHardwareAddress() method http://developer.android.com/reference/java/net/NetworkInterface.html
I've found several forums of people trying to do this with no definitive answer, I need to get a somewhat cross-device UUID, so I can't rely on phone numbers or in ANDROID_ID (which can be overwritten and which I think depends on the user having a google account http://developer.android.com/reference/android/provider/Settings.Secure.html#ANDROID_ID
In linux you can use ifconfig or read from /proc/net/arp and you can easily get the Hardware address.
Is there a file in android that I can read?
There has to be a way to get this address since it's shown in the "Settings > About Phone > Status" of the phone.
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Aug 19, 2010
I installed wireless tether to test it out. Worked great. Now I am stuck on the aforementioned obtaining address. I've powered cycled plenty, removed battery, uninstalled wifi tether. Really don't want to a factory reset.
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Aug 16, 2010
I have power cycled my phone, and router, reset my routers settings, even took off security so it was open, but whatever I do, my phone keeps saying obtaining adress
I have even factory reset the phone...
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Aug 25, 2010
I have the Samsung captivate and it usually has no problems connecting to WiFi networks but it can't connect to my home network. It recognizes the network but I can't use send/receive any data. My two laptops have no problem connecting to my network but I can't get my phone to. Additionally, my Wii has the same problem. It recognizes the network but can't do anything. Its probably a router problem but their support was useless, so I thought I would try here.
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Aug 11, 2010
I am trying to connect to my home wifi, its WEP security on a linksys router, but every time i try to connect it says unable to connect, also idk if there is supposed to be a wifi icon on the top bar but it does not show one at all, appreciate any feedback
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Nov 21, 2010
For some reason today my phone wont load web pages or facebook app while im on my home wifi. I have never had any wifi problems before this. Actually the only problem I have had is sending and receiving picture messages. Anyone know what may cause this? The phone says its connected and full strength signal also.
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Jun 2, 2010
does anybody know how to pro grammatically obtain the email address configured on an android phone? that is the one which was used to activate the phone?
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Sep 26, 2010
Just got my wildfire, running android 2.1 and cannot obtain an IP address from my TP Link TD W8920G router. log in the password etc and it just keeps getting stuck in a loop saying 'obtaining IP address', then unsuccessful.
I've tried manually adding the phone's MAC address to the router configure, and have assigned an IP address to the phone, following advice on other forums. I've upgraded the router's firmware, and I've rebooted the router. I've attempted to 'use static IP' but truth be told i don't really know what that means.
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Oct 15, 2010
Switched over from iphone 3GS today, rooted, installed Cognition 2.2 BETA7 Now, it's time to put my personal data into the phone! So, what should I do to upload my contacts? Apparently this did not come over from the SIM, but I have the data in the Address Book program on my mac.Should I input this stuff into my google account, directly enter the data into the phone, or something else?
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Mar 21, 2010
I odin JC4 in galaxy, but I use wifi. That didn't connection WiFi. Because, it cannot be IP address.
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Jul 21, 2010
Is there a way to set the which of the home screens the phone goes to when you hit the home button?
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Nov 11, 2009
Using a Linksys wireless router with a WEP encryption at home. Every time I try to connect my phone says "Obtaining IP Address" and then after a short time it fails.
-Yes, my phone recognizes the router.
-Yes, I have the correct key.
-Yes, I have reset my router and modem, no change.
-Yes, I have restarted my phone.
-Yes, my phone connects just fine to unsecured wireless routers.
-No, I cannot find another thread that has solved this issue.
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Sep 21, 2010
so I've looked around but don't see any threads on this....but newho, onto the question. has anybody been able to sync their contacts via ATT online Address Book? I've seen like 5 completed syncs in the log, out of prolly 30 total attempts. Either way, i cant log in to check the contacts online. I get this:
LOGIN FAILED
Please activate your AT&T Address Book using your mobile phone. Check to see if your phone is compatible or select FAQ to learn more about AT&T Address Book.
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Aug 10, 2010
I am new to android (never owned one before), and will be getting my first android device soon. I have one gmail account, another mail account with google apps and a yahoo mail account, so my contacts are spread around. So I made a separate gmail account just so that I could fetch all contacts at one place and delete the ones I dont need, and then do selective contact sync with android device. I will also use this account to back up my SMS's and any other kind of data that can be backed up in cloud.
I wanted to ask you guys when setting up the device, should I use my newly created gmail account as primary account or the one that I am using on daily basis?? My main concern is that once I bought apps with one account, I wont be able to use another account again later, so I want to get it right from the start. Also, can android still use calender and email from my other gmail accounts as primary calender/email??
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Oct 25, 2010
I rooted my captivate thinking that i could install apps that are blocked on my phone, like Sirius XM, WiFI tethering.....even after rooting the programs are still being blocked and i cant install them. am i missing something? im new to android and had an iphone that i jail broke. im confused on what rooting actually.
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Oct 15, 2010
I'm trying to obtain my location using android 2.1 through "Provider_Network" but the problem is it uses both cell towers and Wifi Access Point. i only want to obtain my location through Wifi Access point and not through cell towers? any idea how to do it?
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Sep 28, 2013
I have a S4 (SGH-I337M) with Android 4.2.2 installed on it, Not Rooted, Not unlock. My problem is with the WIFI and Network mobile serviec (GMS, 4G).
1. when i turn the wifi on, it gives me fail to obtain IP, and at the same the mobile service detected my Mobile Network (Rogers) for moment then it turns to No service for few moment to come back to Rogers an other time and so on( like infinity loop between Service detected and No service).
2. usually when i turn off the WIFI, the phone goes to look for 4G network but this doesn't happen now, and still Mobile Service between detected and Not.
3. What has been said until now is with SIM card On. and i tried to take it out the phone and turn the phone on, and the same problem is still with Mobile Network service but now the infinity look (as I like to call it) is between No service and Insert Sim card, at the same time can't access to the WIFI (Fail to obtain IP).
i have tried several thing to solve problem : like changing the SIM card, Reset phone to factory setting, turn it off for while and open it, but the problem still excite.
it seems that it is software problem but i don't know which process responsible of Network Service setting (WIFI, 4G, GSM) so i can stop it and lunch it again.
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Aug 16, 2010
phones worked good other then gps issue. recently after iv had the phone for 30 days it just stopped scanning for wifi access and wont turn on wifi at all.
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Sep 6, 2010
I'm a newbie to this forum, and hope someone can help. Have had the Captivate for almost a month now and am plagued by an annoying problem. I have set up email accounts connecting to a google-hosted email account via IMAP. I am finding that when replying to a received email, my reply goes out with redundant repetitions of the email address on the "to" line. Example: Email from soandso@gmail.com arrives. I click "reply" on the phone and the reply goes out to soandso@gmail.com; soandso@gmail.com; soandso@gmail.com; soandso@gmail.com etc etc *10 times*, instead of just once. It also copies me about 10 times! Is anybody else seeing this? I use this for work emails, so it looks very unprofessional like I am trying to spam my clients! I have another couple of days before my 30-day return period is up, so hopefully someone else know how to fix this. Is there some setting I am overlooking?
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Jul 26, 2010
New to Android as of the release date of the captivate...came from a 3g and am enjoying the switch so far.When the home (soft key?) key gets pressed the phone used to take me to my middle page (set for 3). Woke up this morning and it's now taking me to the 3rd page, and I can't find a setting that pertains to the behavior of those keys anywhere. It's hugely annoying and I need help.
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Apr 8, 2010
Is there a way to connect the Moment to a home wireless router? We just got our Moments Sunday and have really bad data reception inside the house. I couldn't set either of our emails up inside the house and when we do a search in an app it goes on until we stop it.
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Jul 29, 2010
is there a way to edit the home row of icons. like switch the email one with the gmail app.
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Sep 5, 2010
I had a black background on my captivate and when I turned my phone on earlier the home screen was a carbon fiber look but the app screen is black. How do I get the home page to be black also? Phone is rooted and cant remember how I got it black origionally.
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Oct 21, 2010
So I searched and hope this isn't a repeat thread. So I never upgraded to the new version of launcher pro and just about ten minutes ago I hit my home button and it automatically takes me to launcherpro.com and says that my current version is expired and to download the new one. Problem is I can't get to the market because my home button doesn't work. So all that works is my browser, 4 physical buttons, and I can pull down my notification bar. So I really need to figure out a way to get to the market or switch to touch wiz.
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Aug 28, 2010
when I first got it I noticed that I had home screens on both the left and right of the center screen now it seems my "home" screen can only be on the right. So if I hit the home button it scrolls all the way to the right screen. btw I was an avid iphone supporter but have converted so I'm also a noob to the Android scene but so far I regret making this decision so late in the game!!
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Oct 20, 2010
One gripe I have that I have been unable to fix (I looked through the forums a bit) is about the 4 touch-sensitive home buttons at the bottom. The backlight fades out after only a few seconds. Is it possible to edit the amount of time the backlight stays on for?
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Sep 5, 2010
I was wondering if the 3G is not lit up and I don't have E the box or WI-fi, what the heck am I connected to? Seems that the 3G has a mind of its own, south FL. But if it's not on nothing else comes on either. Is this right? Now that I have my GPS fixed this goes out.
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Aug 3, 2010
When I first got my Captivate and turned on WIFI the WIFI symbol would pop up and take the place of the 3G symbol at the top but lately I've noticed that when I turn on the WIFI both symbols remain at the top.
I have the unlimited data plan so using up data is not a problem for me. I'm just worried about battery life. Is my phone using both at the same time? Is that even possible? How do I go about fixing this?
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Feb 17, 2010
I just got a Moment and I am trying to analyze some issues to make sure everything is okay. The specific one I am asking about here is that on the home screen when I am connected to my home WIFI it does not show any bars. However if I go into the settings and look at the list of networks, my WIFI network will show two or three bars. What doesn't make sense to me is that when I am connected to another WIFI it will show the same on the home screen and within settings.
I have read that if I show WIFI on the homescreen then that means I am using WIFI and not the Sprint Network. Anyway I would greatly appreciate any help to understand what is going on here.
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