之前有写一篇
Giffgaff英国+44手机SIM卡免费领取文章http://vpsqk.com/post/4089.html

例如英国Giffgaff手机卡如果出现SIM坏了,如何更换,就有了今天这个教程<<英国Giffgaff手机卡更换旧实体SIM卡>>

登录Giffgaff网站 ,然后看图一步一步操作就好了.

https://www.giffgaff.com/profile/details

点开 Open 可以看到更换详情和注意事项;(需要注意的是 英国时间晚上9.30-凌晨4.30是无法操作的)
Before you start:
lt can take up to 24 hours to swap your SIM (but it's usually guicker). And vou'l lose service while it'sprocessing.

SIM swapping is not available between 9.30pm and 4.30am.

If you've recently reguested reguested to move your number to or from giffgaff, please don't try to swap your SIM.

输入新SIM卡的 Activation Code

然后一路下一步点YES...

继续下一步

最后显示成功,预计需要等待24小时候才会完成,有信号等.

enjoy!