That generally is a restriction of the bank, QB will download what ever is available.
Resolution for 'bank transations issue: 'Downloading older bank transations.' available: Yes.
The bank transations issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the bank transations issue yourself by looking for a resolution described in the article. If it is a complex bank transations issue or you are unable to solve the issue, you may contact us by clicking here or by using other bank transations support options.
For more information about resolving issues related to bank transations in Quickbooks/QBO or to get support for the issue 'Downloading older bank transations.', click the link below: