packet data not working until restart - Galaxy S III Q&A, Help & Troubleshooting

Does anyone experience packet data not working until you restart the phone? I have packet data enabled and this is occurring randomly.

BUMP! Anyone?
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Plese help me?
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Use *#*#4636#*#* theng o to Phone info and report what it says under GPRS when the issue occurs,
it should show an error message as to WHY it cannot connect.

d4fseeker said:
Use *#*#4636#*#* theng o to Phone info and report what it says under GPRS when the issue occurs,
it should show an error message as to WHY it cannot connect.
Click to expand...
Click to collapse
Ok thanks. I will do this and report back.
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d4fseeker said:
Use *#*#4636#*#* theng o to Phone info and report what it says under GPRS when the issue occurs,
it should show an error message as to WHY it cannot connect.
Click to expand...
Click to collapse
The issue happened again. I did go to the service mode you mentioned and went to device information and it simply said "GPRS: Disconnected", I can't see any errors? I then enabled and disabled flight mode and the device succesfully connected to H+. It seems like the device needs a radio reset (enabling and fisabling flight mode or restarting the phone) in order to solve the issue. What am I missing here? Is this a common problem?
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kevindd992002 said:
Does anyone experience packet data not working until you restart the phone? I have packet data enabled and this is occurring randomly.
Click to expand...
Click to collapse
Hi!
Just flash another modem using odin
I hope this helps!
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saywhatt said:
Hi!
Just flash another modem using odin
I hope this helps!
Sent from my GT-I9300 using xda premium
Click to expand...
Click to collapse
Yeah, but I'm wondering if this behavior with the stock firmware/modem firmware normal?
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I experience this yesterday, however, after calling up my Carrier, they manage to do a refresh on my network regarding the APN.
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amosljl1995 said:
I experience this yesterday, however, after calling up my Carrier, they manage to do a refresh on my network regarding the APN.
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Click to expand...
Click to collapse
How exactly did they do that? At their end or at your end?

It happened again. I was monitoring the service menu and it didn't even attempt to have a status of "connecting" when I enable mobile data, it stayed at "disconnected". I then enabled and disabled flight mode while monitoring the service menu and it immediately had a status of "connecting" and then "connected".
With this observation, there's got to be something wrong with the phone, really. If this is NORMAL, then I can accept it but if it is an isolated case then I will be very worries. Is this grounds for claiming my warranty now? Or will a better modem firmware solve this issue?
Please help me.
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kevindd992002 said:
It happened again. I was monitoring the service menu and it didn't even attempt to have a status of "connecting" when I enable mobile data, it stayed at "disconnected". I then enabled and disabled flight mode while monitoring the service menu and it immediately had a status of "connecting" and then "connected".
With this observation, there's got to be something wrong with the phone, really. If this is NORMAL, then I can accept it but if it is an isolated case then I will be very worries. Is this grounds for claiming my warranty now? Or will a better modem firmware solve this issue?
Please help me.
Sent from my GT-I9300 using Tapatalk 2
Click to expand...
Click to collapse
well xml can put another SIM in your phone and check how gprs is having . similarly you can put your SIM in another phone and check. by doing this you can make sure whether it's a problem with your phone or carrier

jaidev.s said:
well xml can put another SIM in your phone and check how gprs is having . similarly you can put your SIM in another phone and check. by doing this you can make sure whether it's a problem with your phone or carrier
Click to expand...
Click to collapse
What's xml? But I only have one microSIM and one phone that accepts microSIM. I've read that this was a common problem for the S2?
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kevindd992002 said:
What's xml? But I only have one microSIM and one phone that accepts microSIM. I've read that this was a common problem for the S2?
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Click to expand...
Click to collapse
xml was a typo , sorry , lol . you can use micro SIM adapter and check. well I'm from India , here getting a SIM card is very easy , I had this problem with my s3 , when I tried with a different SIM card from a different carrier I found that gprs was working normally.

jaidev.s said:
xml was a typo , sorry , lol . you can use micro SIM adapter and check. well I'm from India , here getting a SIM card is very easy , I had this problem with my s3 , when I tried with a different SIM card from a different carrier I found that gprs was working normally.
Click to expand...
Click to collapse
Really? You had the same exact problem?
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kevindd992002 said:
Really? You had the same exact problem?
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Click to expand...
Click to collapse
yes , first I changed my modem but the problem was still there , then I changed my carrier and found that it was working the way it should. I had problems with getting push messags delivered because the gprs connection went off .

jaidev.s said:
yes , first I changed my modem but the problem was still there , then I changed my carrier and found that it was working the way it should. I had problems with getting push messags delivered because the gprs connection went off .
Click to expand...
Click to collapse
Are you saying that the connection went off whilr it is turned ON? For my case, the problem only happens randomly wherein it doesn't connect when I enable mobile data but once is connected it stays connected no matter what.
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I just got a new SIM from my provider but the problem is still present. I just experienced it now. After being disconnected from mobile data overnight, I tried enabling mobile data and it won't connect. As usual, the trick to solve it was to enable disable flight mode.
So any more possible solutions here?
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kevindd992002 said:
I just got a new SIM from my provider but the problem is still present. I just experienced it now. After being disconnected from mobile data overnight, I tried enabling mobile data and it won't connect. As usual, the trick to solve it was to enable disable flight mode.
So any more possible solutions here?
Sent from my GT-I9300 using Tapatalk 2
Click to expand...
Click to collapse
should have tried with SIM from a different carrier then only of can say whether it's a carrier problem or not

jaidev.s said:
should have tried with SIM from a different carrier then only of can say whether it's a carrier problem or not
Click to expand...
Click to collapse
Can't do that because my phone's carrier–locked.
I highly doubt it's the carrier that's the problem because as I've said it is not even "attempting" to connect. What do you think?
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Related

[Q] Problem with Vodafone (India) Internet

I have Vodafone Sim in my mobile it gives 6 months 1gb Internet for free..This is 2nd month for me and from Morning it is giving Edge speed but not 3G speed (H/H+/3g).When I switch off my mobile and restart it than it gives 3g speed or swift to Flight Mode and stay for few minutes and than switch off Flight Mode but once I switch off the Mobile Internet and switch it on it goes back to Edge..I thought I did something wrong with settings and did a Factory reset still same problem...What do you think is it a setting problem and Service Provider Problem?
Ask Vodafone on their twitter ac.
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ithehappy said:
Ask Vodafone on their twitter ac.
Sent from my GT-I9100 using XDA App
Click to expand...
Click to collapse
I did 2 hours back still no reply
Raviteja_HYD said:
I did 2 hours back still no reply
Click to expand...
Click to collapse
They will if you have provided your no. They always communicated with me, didn't miss a single time.
Sent from my GT-I9100 using XDA App
ithehappy said:
They will if you have provided your no. They always communicated with me, didn't miss a single time.
Sent from my GT-I9100 using XDA App
Click to expand...
Click to collapse
I am sure they know my number already Because I gave it to them more than 3 times to activate the 1gb Offer and few days back other reasons (Keep getting a Refreshing Sim) but I didn't answer there call I was busy....They always reply to me so late and it make me MAD!

LFB network bug

I've recently noticed a weird network bug on LFB. If the phone loses signal (on subway etc.) with data on, when signal is available it acts as though the SIM was refused by the network continuing to display Emergency calls only. If I turn data on and off it gets weirder (see screenshot).
The only way to fix it is too reset the radio, with flight mode, or *#*#4636#*#*
It's definitely not a hardware fault since, as you can see it still can connect to the network. It just acts as though the connection was refused (or alternatively does something weird that causes it to ACTUALLY be refused)
Anyone else experienced this??
The phone is an original BTU using unmodified LFB on China Unicom
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Are you able to set/receive calls or send/receive SMS? What about USSD codes to your provider?
I've already read about other users complaining about this issue, I guess it's a software-bug in the display.
No. I'm not sure if HSDPA will work in the example pictured. I was in a hurry to make a phone call so just quickly snapped the screenshot then reset the modem.
Messages will get service unavailable. Incoming ones don't get received until I reset
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LFB is a poor modem firmware .
jje
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esist said:
I've recently noticed a weird network bug on LFB. If the phone loses signal (on subway etc.) with data on, when signal is available it acts as though the SIM was refused by the network continuing to display Emergency calls only. If I turn data on and off it gets weirder (see screenshot).
The only way to fix it is too reset the radio, with flight mode, or *#*#4636#*#*
It's definitely not a hardware fault since, as you can see it still can connect to the network. It just acts as though the connection was refused (or alternatively does something weird that causes it to ACTUALLY be refused)
Anyone else experienced this??
The phone is an original BTU using unmodified LFB on China Unicom
Sent from my GT-I9300 using xda app-developers app
Click to expand...
Click to collapse
Yes, I've experienced the same thing a couple of times since LFB on carrier Telia in Sweden.
It reminds me of the phone/modem problems with the SGN which they never fixed before I sold it.
/Per
JJEgan said:
LFB is a poor modem firmware .
jje
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Click to expand...
Click to collapse
2nd that, flashed the lf2 modem and all my problems with the modem radio
Went away
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Does the DXLF3 modem work with LFB and if so, is anyone able to post a link plz?
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Simmo3D said:
Does the DXLF3 modem work with LFB and if so, is anyone able to post a link plz?
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Click to expand...
Click to collapse
About four threads down from this is a thread titled "Modem collection" But I guess it's tricky to find:
http://forum.xda-developers.com/showthread.php?p=28033523
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Where do people still lose signals on a subway?
Deusdies said:
Where do people still lose signals on a subway?
Click to expand...
Click to collapse
New York City!
Deusdies said:
Where do people still lose signals on a subway?
Click to expand...
Click to collapse
Melbourne Australia too.
Sent from my GT-I9300 using xda premium
Anyone recommends a modem to flash on the XLFB rom? I am also having problems.
Deusdies said:
Where do people still lose signals on a subway?
Click to expand...
Click to collapse
London
Deusdies said:
Where do people still lose signals on a subway?
Click to expand...
Click to collapse
Washington D.C. has no GSM coverage inside the tunnels. Only some stations have coverage. Only Verizon and Sprint with CDMA devices have service on moving trains.
juliano_q said:
Anyone recommends a modem to flash on the XLFB rom? I am also having problems.
Click to expand...
Click to collapse
You can flash DXLF3.. It works so much better than the LFB radio.
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Deusdies said:
Where do people still lose signals on a subway?
Click to expand...
Click to collapse
Beijing.
Well 2G is okay. But it sometimes will lose it briefly in the transition from 2g to 3g.
Only Beijing subway line 4 has China unicom WCDMA coverage. the others are limited to 2g at best (except the overground lines, but even they are patchy)
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Simmo3D said:
Does the DXLF3 modem work with LFB and if so, is anyone able to post a link plz?
Sent from my GT-I9300 using xda premium
Click to expand...
Click to collapse
Dowload omega files from the market and choose modem to download.
Install zip from recovery
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Having updated to the stock LFB ROM and modem (UK, unlocked, unrooted), I'm really perplexed about the behavior of the phone data reception:
(a) 2 weeks ago, I tried using data connection in a friend's flat in Balham (London), could not get ANY data connection all weekend.
(b) Last weekend, data was consistently perfect and fast anywhere in the same flat, all "H+" 8Mbit and lovely.
(c) This weekend, same place but NO reception again, not a saussage. Voice phone worked fine, just no data at all.
And, yes, I've seen "emergency calls only" sometimes even when there is apparently a strong signal.
Back home again (Portsmouth), phone works fine.
On the plus side, battery consumption is wonderfully low!
Can anyone explain what's going on? It feels like the data connection is sometimes reluctant to "log in" or whatever is does! It seems to have a mind of it's own.
Thanks!
You may want to try another modem like DXLF3. It has better data network stability especially in cities or areas with faint signal.
I am planning to upgrade to the LFB, but i am not rooted. Want to be sure if i have problems with the modem signal, do i have to be rooted to install the new modem driver??
Thanks in advance...

[Q] Galaxy S3 I9300 Network Issue

I woke up today and had a triangle with an exclamation mark inside lingering in my notification bar. I cannot connect to the network (I am with Fido in Canada). Everytime I try to connect it says "Unable to connect. Try later". I have not changed my APN or Network Modes, and I cannot select any other Network operators. Can anybody help me? Thanks in advance
crownm said:
I woke up today and had a triangle with an exclamation mark inside lingering in my notification bar. I cannot connect to the network (I am with Fido in Canada). Everytime I try to connect it says "Unable to connect. Try later". I have not changed my APN or Network Modes, and I cannot select any other Network operators. Can anybody help me? Thanks in advance
Click to expand...
Click to collapse
Please check your IMEI number. if it is correct. It MUST NOT START from 00.............
may be a network problem or a fault with SIM card
Chaitanyapatel8880 said:
Please check your IMEI number. if it is correct. It MUST NOT START from 00.............
Click to expand...
Click to collapse
My IMEI number is correct, is there anything else?
I think it is a network problem/faulty sim card..
If you have not contacted your network operator, you may try:
a) wiping caches via recovery
b) flashing another modem..
If all the above fails, contact your service network.. it must be a network problem
Sent from my GT-I9300 using xda premium
Did you cut your SIM card down or was it original micro SIM from carrier?
Cut Sims have been known to fail, otherwise almost certainly a network failure or cell tower failure
crownm said:
I woke up today and had a triangle with an exclamation mark inside lingering in my notification bar. I cannot connect to the network (I am with Fido in Canada). Everytime I try to connect it says "Unable to connect. Try later". I have not changed my APN or Network Modes, and I cannot select any other Network operators. Can anybody help me? Thanks in advance
Click to expand...
Click to collapse
Go to settings, data usage, and turn off your data limit it increase it. Case closed.
Ps: funny how everyone missed this simple solution. Everyone's gotten too technical lol.
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kofiaa said:
Go to settings, data usage, and turn off your data limit it increase it. Case closed.
Ps: funny how everyone missed this simple solution. Everyone's gotten too technical lol.
Sent from my GT-I9300 using xda app-developers app
Click to expand...
Click to collapse
By doing that it will enable the data connection, which works only if he can receive signal from the service provider. And he can't even receive any signals from the provider.
Capt. Chaitanya Patel
Chaitanyapatel8880 said:
By doing that it will enable the data connection, which works only if he can receive signal from the service provider. And he can't even receive any signals from the provider.
Capt. Chaitanya Patel
Click to expand...
Click to collapse
From what I gathered, it means the data limit is on and its blocked his connection. That's why his browser would give him the unable to connect earning.
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kofiaa said:
From what I gathered, it means the data limit is on and its blocked his connection. That's why his browser would give him the unable to connect earning.
Sent from my GT-I9300 using xda app-developers app
Click to expand...
Click to collapse
I'd the days limit is on than it will give warning saying "data usage warning".and when you tap on it, it will bring you to the menu where he can fix it. But he didn't got that warning. It was different..
Capt. Chaitanya Patel
Op post some screenshots. Trying to help you with no feedback is a little tough.
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Big big problem!!

hello my galaxy s3 has got a big problem..everything works except data!!i can't make any calls, can't go to internet( wifi works)..what can i do???i got to use like an ipod...lol
One what have you done .
this question lacks any detail .
Two is your IMEI correct .
Three is your sim working#
Four have you checked your network settings
Five have you the correct modem.
Six try a factory reset .
Seven return to service .
jje
I donne all..i tried even new modem but nothing..when i make a call it says : not registered in the network... imei is correct..maybe is blocked?but i got facture and warranty..seems funny...
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I donne all..i tried even new modem but nothing..when i make a call it says : not registered in the network..my imei si correct..i bought the phone in a shop..i got warranty but Samsung says they cant repair it..maybe imei is blocked?i checked up and it says that is suppost to be correct
Sent from my Gs3 ROMOW using xda app-developers app
Check gsm only mode if you don't have 3g,if still not resolved contact your mobile operator
《swagged from aokp》
What can i do? it cost me a lot of money
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Mobile operator says that maybe imei is blocked but they dont know the reason why!!
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Numberingplans.com :
Note: This IMEI number seems to be correct, but we do not have any information on this specific handset. Please add the missing information below.
Sent from my Gs3 ROMOW using xda app-developers app
ieppa said:
What can i do? it cost me a lot of money
Sent from my Gs3 ROMOW using xda app-developers app
Click to expand...
Click to collapse
I don't know if you tried to pull out the simcard and clean the contacts. This was a common issue on the HTC Desire HD and this little fix worked fine.
ieppa said:
hello my galaxy s3 has got a big problem..everything works except data!!i can't make any calls, can't go to internet( wifi works)..what can i do???i got to use like an ipod...lol
Click to expand...
Click to collapse
Updated to Jelly Bean??
if yes go here: http://forum.xda-developers.com/showthread.php?t=1918601
Is the phone new? Has it ever worked for you? Have you considered the fact that it could be network locked(SIM locked)?
My phone ALWAYS shows "Not registered on Network" when I'm at home, that's because signal is terrible since I updated to JB (modem related).
Have you tried different SIMs from different networks? Have you tried your current SIM in a different phone?
[the phone is from 29 june..always worked bit one day data stopped working.. i got a HTC sensation and the SIM works fine in that phone/SIZE]
alias_neo said:
Is the phone new? Has it ever worked for you? Have you considered the fact that it could be network locked(SIM locked)?
My phone ALWAYS shows "Not registered on Network" when I'm at home, that's because signal is terrible since I updated to JB (modem related).
Have you tried different SIMs from different networks? Have you tried your current SIM in a different phone?
Click to expand...
Click to collapse
ieppa said:
[the phone is from 29 june..always worked bit one day data stopped working.. i got a HTC sensation and the SIM works fine in that phone/SIZE]
Click to expand...
Click to collapse
Ok,
so here comes the question my girlfriend always asks me :laugh:
"What did you do between it working, and it no longer working?"
You say data doesn't work, does that mean you can make phone calls?
I didnt do anything it just stopped working and i cant do phone calls...its like using an iPod.. maybe someone blocked my imei?could it be possible?
ieppa said:
I didnt do anything it just stopped working and i cant do phone calls...its like using an iPod.. maybe someone blocked my imei?could it be possible?
Click to expand...
Click to collapse
Yes, it's entirely possible, but you'll need to check with your provider. There is no way of checking from the device itself if the IMEI has been blocked.
Did you buy the phone new?
You could, potentially, be extremely unlucky and someone blocked the wrong IMEI code when attempting to block their own.
Ye it was new..there is no way to make it work then?
Sent from my HTC Sensation using xda app-developers app
ieppa said:
Ye it was new..there is no way to make it work then?
Sent from my HTC Sensation using xda app-developers app
Click to expand...
Click to collapse
Well, if it really has been blocked, you should get in touch with your provider, and potentially have to go through some lengthy process of proving to them you legitimately own the device and didn't block it yourself. It's unlikely though, as I've never heard of a device being removed from the block list before.
Your other option is to leave the country, it will work in another country
Failing that, return it to Samsung telling them it just stopping working, you did nothing, and insist they replace it.
Probably wrong Kernel, happened often to me on my old sensation
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What network are you on? I had to go to t mobile web site to get configuration settings sent to phone. All was then ok. You are not providing enough information, Network, whether phone had ever worked, if it has been modified in any way etc.etc.
People here will help you but you really must give as much relevant information as possible
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I got Tim !i went in TIM shop to ask and they dont know what to do
Sent from my HTC Sensation using xda app-developers app

[Q] GS3 Network Problems

Hey Guys,
Have a rooted & unlocked GS3 I9300, running stock firmware.
When I first got it (Christmas) it worked perfectly. But after a few hours, I was unable to make calls (not registered on network error appears), go online or send/receive sms. I can now sporadically send and receive SMS, but it seems to be completely at random as to when I can do it.
When I turn the phone on and put in my pin, an error comes up saying I have entered my pin incorrectly, but my attempts left do not go down. 99% of the time, I have absolutely no service and occasionally, I have one bar.
I have checked and the IMEI code is still there and matching. Have tried numerous sim cards and none of them work.
Could anyone help me? At my wits' end!
Go to stock recovery and wipe data.
If it doesn't work flash a stock rom with Odin.
Sent from my GT-I9300 using xda app-developers app
kofiaa said:
Go to stock recovery and wipe data.
If it doesn't work flash a stock rom with Odin.
Sent from my GT-I9300 using xda app-developers app
Click to expand...
Click to collapse
Tried that but made no difference!
Managed to get a full signal earlier, but it dropped a few minutes after. Could it be a hardware problem?
cross_strike said:
Tried that but made no difference!
Managed to get a full signal earlier, but it dropped a few minutes after. Could it be a hardware problem?
Click to expand...
Click to collapse
Go to your network settings under mobile networks, and do a manual selection of your network. Also try both gsm and hspda modes separately.
Sent from my GT-I9300 using xda app-developers app
No sims work then after following above instructions and no better i would return as faulty .
jje
kofiaa said:
Go to your network settings under mobile networks, and do a manual selection of your network. Also try both gsm and hspda modes separately.
Sent from my GT-I9300 using xda app-developers app
Click to expand...
Click to collapse
Tried changing between modes but none of them seem to make a difference!
When I try to scan for networks, it say "Error while scanning for networks".
Should I just give it up for lost at this stage?
cross_strike said:
Tried changing between modes but none of them seem to make a difference!
When I try to scan for networks, it say "Error while scanning for networks".
Should I just give it up for lost at this stage?
Click to expand...
Click to collapse
Take JJE's advice, time to return the phone.
Sent from my GT-I9300 using xda app-developers app

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